Home / 169,205,770.50-253,809,531.60-77,025,042.90

Finding the Fourth Proportional to 169,205,770.50, 253,809,531.60 and 77,025,042.90

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Solution

The fourth proportional to 169,205,770.50, 253,809,531.60 and 77,025,042.90 is: 115,537,963.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,205,770.50 : 253,809,531.60 = 77,025,042.90 : x
  2. Step 2: Convert to fraction form
    169,205,770.50/253,809,531.60 = 77,025,042.90/x
  3. Step 3: Cross multiply
    169,205,770.50x = 253,809,531.60 × 77,025,042.90
  4. Step 4: Simplify right side
    169,205,770.50x = 19,549,690,059,918,908
  5. Step 5: Solve for x
    x = 19,549,690,059,918,908/169,205,770.50
  6. Step 6: Final answer
    x = 115,537,963.05

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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.