Home / 89,369,046.16-123,328,439.36-49,675,536.16

Finding the Fourth Proportional to 89,369,046.16, 123,328,439.36 and 49,675,536.16

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Solution

The fourth proportional to 89,369,046.16, 123,328,439.36 and 49,675,536.16 is: 68,551,770.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,369,046.16 : 123,328,439.36 = 49,675,536.16 : x
  2. Step 2: Convert to fraction form
    89,369,046.16/123,328,439.36 = 49,675,536.16/x
  3. Step 3: Cross multiply
    89,369,046.16x = 123,328,439.36 × 49,675,536.16
  4. Step 4: Simplify right side
    89,369,046.16x = 6,126,406,348,984,047
  5. Step 5: Solve for x
    x = 6,126,406,348,984,047/89,369,046.16
  6. Step 6: Final answer
    x = 68,551,770.58

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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.