Home / 85,960,344.60-128,940,516.90-24,549,384.60

Finding the Fourth Proportional to 85,960,344.60, 128,940,516.90 and 24,549,384.60

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Solution

The fourth proportional to 85,960,344.60, 128,940,516.90 and 24,549,384.60 is: 36,824,076.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,960,344.60 : 128,940,516.90 = 24,549,384.60 : x
  2. Step 2: Convert to fraction form
    85,960,344.60/128,940,516.90 = 24,549,384.60/x
  3. Step 3: Cross multiply
    85,960,344.60x = 128,940,516.90 × 24,549,384.60
  4. Step 4: Simplify right side
    85,960,344.60x = 3,165,410,339,900,900
  5. Step 5: Solve for x
    x = 3,165,410,339,900,900/85,960,344.60
  6. Step 6: Final answer
    x = 36,824,076.90

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Similar ratio
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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.