Home / 89,520,699.62-123,533,516.13-50,364,126.74

Finding the Fourth Proportional to 89,520,699.62, 123,533,516.13 and 50,364,126.74

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Solution

The fourth proportional to 89,520,699.62, 123,533,516.13 and 50,364,126.74 is: 69,499,654.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,520,699.62 : 123,533,516.13 = 50,364,126.74 : x
  2. Step 2: Convert to fraction form
    89,520,699.62/123,533,516.13 = 50,364,126.74/x
  3. Step 3: Cross multiply
    89,520,699.62x = 123,533,516.13 × 50,364,126.74
  4. Step 4: Simplify right side
    89,520,699.62x = 6,221,657,663,009,154
  5. Step 5: Solve for x
    x = 6,221,657,663,009,154/89,520,699.62
  6. Step 6: Final answer
    x = 69,499,654.15

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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.