Home / 90,881,397.48-125,425,404.18-54,211,968.48

Finding the Fourth Proportional to 90,881,397.48, 125,425,404.18 and 54,211,968.48

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Solution

The fourth proportional to 90,881,397.48, 125,425,404.18 and 54,211,968.48 is: 74,817,930.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,881,397.48 : 125,425,404.18 = 54,211,968.48 : x
  2. Step 2: Convert to fraction form
    90,881,397.48/125,425,404.18 = 54,211,968.48/x
  3. Step 3: Cross multiply
    90,881,397.48x = 125,425,404.18 × 54,211,968.48
  4. Step 4: Simplify right side
    90,881,397.48x = 6,799,558,057,997,420
  5. Step 5: Solve for x
    x = 6,799,558,057,997,420/90,881,397.48
  6. Step 6: Final answer
    x = 74,817,930.25

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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.