Home / 70,861,714.80-106,292,572.20-53,729,631.60

Finding the Fourth Proportional to 70,861,714.80, 106,292,572.20 and 53,729,631.60

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Solution

The fourth proportional to 70,861,714.80, 106,292,572.20 and 53,729,631.60 is: 80,594,447.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,861,714.80 : 106,292,572.20 = 53,729,631.60 : x
  2. Step 2: Convert to fraction form
    70,861,714.80/106,292,572.20 = 53,729,631.60/x
  3. Step 3: Cross multiply
    70,861,714.80x = 106,292,572.20 × 53,729,631.60
  4. Step 4: Simplify right side
    70,861,714.80x = 5,711,060,746,122,402
  5. Step 5: Solve for x
    x = 5,711,060,746,122,402/70,861,714.80
  6. Step 6: Final answer
    x = 80,594,447.40

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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.