Home / 89,689,593.60-134,534,390.40-85,210,617.60

Finding the Fourth Proportional to 89,689,593.60, 134,534,390.40 and 85,210,617.60

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Solution

The fourth proportional to 89,689,593.60, 134,534,390.40 and 85,210,617.60 is: 127,815,926.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,689,593.60 : 134,534,390.40 = 85,210,617.60 : x
  2. Step 2: Convert to fraction form
    89,689,593.60/134,534,390.40 = 85,210,617.60/x
  3. Step 3: Cross multiply
    89,689,593.60x = 134,534,390.40 × 85,210,617.60
  4. Step 4: Simplify right side
    89,689,593.60x = 11,463,758,494,423,510
  5. Step 5: Solve for x
    x = 11,463,758,494,423,510/89,689,593.60
  6. Step 6: Final answer
    x = 127,815,926.40

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Double scale
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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.