Home / 89,195,417.10-133,793,125.65-66,520,601.10

Finding the Fourth Proportional to 89,195,417.10, 133,793,125.65 and 66,520,601.10

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Solution

The fourth proportional to 89,195,417.10, 133,793,125.65 and 66,520,601.10 is: 99,780,901.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,195,417.10 : 133,793,125.65 = 66,520,601.10 : x
  2. Step 2: Convert to fraction form
    89,195,417.10/133,793,125.65 = 66,520,601.10/x
  3. Step 3: Cross multiply
    89,195,417.10x = 133,793,125.65 × 66,520,601.10
  4. Step 4: Simplify right side
    89,195,417.10x = 8,899,999,141,285,829
  5. Step 5: Solve for x
    x = 8,899,999,141,285,829/89,195,417.10
  6. Step 6: Final answer
    x = 99,780,901.65

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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.