Home / 104,976,747.90-157,465,121.85-66,429,560.70

Finding the Fourth Proportional to 104,976,747.90, 157,465,121.85 and 66,429,560.70

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Solution

The fourth proportional to 104,976,747.90, 157,465,121.85 and 66,429,560.70 is: 99,644,341.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,747.90 : 157,465,121.85 = 66,429,560.70 : x
  2. Step 2: Convert to fraction form
    104,976,747.90/157,465,121.85 = 66,429,560.70/x
  3. Step 3: Cross multiply
    104,976,747.90x = 157,465,121.85 × 66,429,560.70
  4. Step 4: Simplify right side
    104,976,747.90x = 10,460,338,870,067,472
  5. Step 5: Solve for x
    x = 10,460,338,870,067,472/104,976,747.90
  6. Step 6: Final answer
    x = 99,644,341.05

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1.5x scale

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.