Home / 89,814,743.46-134,721,217.06-28,403,912.65

Finding the Fourth Proportional to 89,814,743.46, 134,721,217.06 and 28,403,912.65

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Solution

The fourth proportional to 89,814,743.46, 134,721,217.06 and 28,403,912.65 is: 42,605,584.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,814,743.46 : 134,721,217.06 = 28,403,912.65 : x
  2. Step 2: Convert to fraction form
    89,814,743.46/134,721,217.06 = 28,403,912.65/x
  3. Step 3: Cross multiply
    89,814,743.46x = 134,721,217.06 × 28,403,912.65
  4. Step 4: Simplify right side
    89,814,743.46x = 3,826,609,681,331,910
  5. Step 5: Solve for x
    x = 3,826,609,681,331,910/89,814,743.46
  6. Step 6: Final answer
    x = 42,605,584.94

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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.