Home / 88,741,082.91-133,717,347.63-72,921,412.95

Finding the Fourth Proportional to 88,741,082.91, 133,717,347.63 and 72,921,412.95

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Solution

The fourth proportional to 88,741,082.91, 133,717,347.63 and 72,921,412.95 is: 109,879,861.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,741,082.91 : 133,717,347.63 = 72,921,412.95 : x
  2. Step 2: Convert to fraction form
    88,741,082.91/133,717,347.63 = 72,921,412.95/x
  3. Step 3: Cross multiply
    88,741,082.91x = 133,717,347.63 × 72,921,412.95
  4. Step 4: Simplify right side
    88,741,082.91x = 9,750,857,925,105,934
  5. Step 5: Solve for x
    x = 9,750,857,925,105,934/88,741,082.91
  6. Step 6: Final answer
    x = 109,879,861.79

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.