Home / 100,098,316.40-138,137,102.60-57,711,037.26

Finding the Fourth Proportional to 100,098,316.40, 138,137,102.60 and 57,711,037.26

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Solution

The fourth proportional to 100,098,316.40, 138,137,102.60 and 57,711,037.26 is: 79,642,053.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,098,316.40 : 138,137,102.60 = 57,711,037.26 : x
  2. Step 2: Convert to fraction form
    100,098,316.40/138,137,102.60 = 57,711,037.26/x
  3. Step 3: Cross multiply
    100,098,316.40x = 138,137,102.60 × 57,711,037.26
  4. Step 4: Simplify right side
    100,098,316.40x = 7,972,035,475,137,042
  5. Step 5: Solve for x
    x = 7,972,035,475,137,042/100,098,316.40
  6. Step 6: Final answer
    x = 79,642,053.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.