Home / 103,982,129.02-143,499,821.03-57,572,382.61

Finding the Fourth Proportional to 103,982,129.02, 143,499,821.03 and 57,572,382.61

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Solution

The fourth proportional to 103,982,129.02, 143,499,821.03 and 57,572,382.61 is: 79,452,370.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,982,129.02 : 143,499,821.03 = 57,572,382.61 : x
  2. Step 2: Convert to fraction form
    103,982,129.02/143,499,821.03 = 57,572,382.61/x
  3. Step 3: Cross multiply
    103,982,129.02x = 143,499,821.03 × 57,572,382.61
  4. Step 4: Simplify right side
    103,982,129.02x = 8,261,626,600,805,684
  5. Step 5: Solve for x
    x = 8,261,626,600,805,684/103,982,129.02
  6. Step 6: Final answer
    x = 79,452,370.12

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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.