Home / 103,429,129,972.35-155,143,694,958.53-103,429,129,972.35

Finding the Fourth Proportional to 103,429,129,972.35, 155,143,694,958.53 and 103,429,129,972.35

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Solution

The fourth proportional to 103,429,129,972.35, 155,143,694,958.53 and 103,429,129,972.35 is: 155,143,694,958.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,429,129,972.35 : 155,143,694,958.53 = 103,429,129,972.35 : x
  2. Step 2: Convert to fraction form
    103,429,129,972.35/155,143,694,958.53 = 103,429,129,972.35/x
  3. Step 3: Cross multiply
    103,429,129,972.35x = 155,143,694,958.53 × 103,429,129,972.35
  4. Step 4: Simplify right side
    103,429,129,972.35x = 16,046,377,390,256,420,814,848
  5. Step 5: Solve for x
    x = 16,046,377,390,256,420,814,848/103,429,129,972.35
  6. Step 6: Final answer
    x = 155,143,694,958.53

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.