Home / 103,788,193,113.39-155,666,559,642.48-28,247,230,388.73

Finding the Fourth Proportional to 103,788,193,113.39, 155,666,559,642.48 and 28,247,230,388.73

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Solution

The fourth proportional to 103,788,193,113.39, 155,666,559,642.48 and 28,247,230,388.73 is: 42,366,564,463.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,788,193,113.39 : 155,666,559,642.48 = 28,247,230,388.73 : x
  2. Step 2: Convert to fraction form
    103,788,193,113.39/155,666,559,642.48 = 28,247,230,388.73/x
  3. Step 3: Cross multiply
    103,788,193,113.39x = 155,666,559,642.48 × 28,247,230,388.73
  4. Step 4: Simplify right side
    103,788,193,113.39x = 4,397,149,174,042,112,557,056
  5. Step 5: Solve for x
    x = 4,397,149,174,042,112,557,056/103,788,193,113.39
  6. Step 6: Final answer
    x = 42,366,564,463.05

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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.