Home / 77,264,801.10-115,897,201.65-19,761,572.70

Finding the Fourth Proportional to 77,264,801.10, 115,897,201.65 and 19,761,572.70

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Solution

The fourth proportional to 77,264,801.10, 115,897,201.65 and 19,761,572.70 is: 29,642,359.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,264,801.10 : 115,897,201.65 = 19,761,572.70 : x
  2. Step 2: Convert to fraction form
    77,264,801.10/115,897,201.65 = 19,761,572.70/x
  3. Step 3: Cross multiply
    77,264,801.10x = 115,897,201.65 × 19,761,572.70
  4. Step 4: Simplify right side
    77,264,801.10x = 2,290,310,976,133,035
  5. Step 5: Solve for x
    x = 2,290,310,976,133,035/77,264,801.10
  6. Step 6: Final answer
    x = 29,642,359.05

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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.