Home / 77,264,792.10-115,897,188.15-19,761,563.70

Finding the Fourth Proportional to 77,264,792.10, 115,897,188.15 and 19,761,563.70

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Solution

The fourth proportional to 77,264,792.10, 115,897,188.15 and 19,761,563.70 is: 29,642,345.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,264,792.10 : 115,897,188.15 = 19,761,563.70 : x
  2. Step 2: Convert to fraction form
    77,264,792.10/115,897,188.15 = 19,761,563.70/x
  3. Step 3: Cross multiply
    77,264,792.10x = 115,897,188.15 × 19,761,563.70
  4. Step 4: Simplify right side
    77,264,792.10x = 2,290,309,666,277,110
  5. Step 5: Solve for x
    x = 2,290,309,666,277,110/77,264,792.10
  6. Step 6: Final answer
    x = 29,642,345.55

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Why These Related Problems?

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