Home / 71,242,066.68-98,314,240.98-38,647,018.68

Finding the Fourth Proportional to 71,242,066.68, 98,314,240.98 and 38,647,018.68

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Solution

The fourth proportional to 71,242,066.68, 98,314,240.98 and 38,647,018.68 is: 53,332,988.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,242,066.68 : 98,314,240.98 = 38,647,018.68 : x
  2. Step 2: Convert to fraction form
    71,242,066.68/98,314,240.98 = 38,647,018.68/x
  3. Step 3: Cross multiply
    71,242,066.68x = 98,314,240.98 × 38,647,018.68
  4. Step 4: Simplify right side
    71,242,066.68x = 3,799,552,307,664,081.50
  5. Step 5: Solve for x
    x = 3,799,552,307,664,081.50/71,242,066.68
  6. Step 6: Final answer
    x = 53,332,988.29

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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.