Home / 103,356,004.90-155,034,007.35-84,224,128.90

Finding the Fourth Proportional to 103,356,004.90, 155,034,007.35 and 84,224,128.90

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Solution

The fourth proportional to 103,356,004.90, 155,034,007.35 and 84,224,128.90 is: 126,336,193.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,356,004.90 : 155,034,007.35 = 84,224,128.90 : x
  2. Step 2: Convert to fraction form
    103,356,004.90/155,034,007.35 = 84,224,128.90/x
  3. Step 3: Cross multiply
    103,356,004.90x = 155,034,007.35 × 84,224,128.90
  4. Step 4: Simplify right side
    103,356,004.90x = 13,057,604,218,929,948
  5. Step 5: Solve for x
    x = 13,057,604,218,929,948/103,356,004.90
  6. Step 6: Final answer
    x = 126,336,193.35

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.