Home / 103,486,349.70-155,229,524.55-98,447,501.70

Finding the Fourth Proportional to 103,486,349.70, 155,229,524.55 and 98,447,501.70

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Solution

The fourth proportional to 103,486,349.70, 155,229,524.55 and 98,447,501.70 is: 147,671,252.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,486,349.70 : 155,229,524.55 = 98,447,501.70 : x
  2. Step 2: Convert to fraction form
    103,486,349.70/155,229,524.55 = 98,447,501.70/x
  3. Step 3: Cross multiply
    103,486,349.70x = 155,229,524.55 × 98,447,501.70
  4. Step 4: Simplify right side
    103,486,349.70x = 15,281,958,882,026,318
  5. Step 5: Solve for x
    x = 15,281,958,882,026,318/103,486,349.70
  6. Step 6: Final answer
    x = 147,671,252.55

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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.