Home / 89,596,497.60-123,643,371.12-49,903,710.72

Finding the Fourth Proportional to 89,596,497.60, 123,643,371.12 and 49,903,710.72

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Solution

The fourth proportional to 89,596,497.60, 123,643,371.12 and 49,903,710.72 is: 68,867,234.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,596,497.60 : 123,643,371.12 = 49,903,710.72 : x
  2. Step 2: Convert to fraction form
    89,596,497.60/123,643,371.12 = 49,903,710.72/x
  3. Step 3: Cross multiply
    89,596,497.60x = 123,643,371.12 × 49,903,710.72
  4. Step 4: Simplify right side
    89,596,497.60x = 6,170,263,024,818,082
  5. Step 5: Solve for x
    x = 6,170,263,024,818,082/89,596,497.60
  6. Step 6: Final answer
    x = 68,867,234.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.