Home / 79,359,337.68-109,527,838.72-48,437,475.92

Finding the Fourth Proportional to 79,359,337.68, 109,527,838.72 and 48,437,475.92

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Solution

The fourth proportional to 79,359,337.68, 109,527,838.72 and 48,437,475.92 is: 66,851,012.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,359,337.68 : 109,527,838.72 = 48,437,475.92 : x
  2. Step 2: Convert to fraction form
    79,359,337.68/109,527,838.72 = 48,437,475.92/x
  3. Step 3: Cross multiply
    79,359,337.68x = 109,527,838.72 × 48,437,475.92
  4. Step 4: Simplify right side
    79,359,337.68x = 5,305,252,050,569,644
  5. Step 5: Solve for x
    x = 5,305,252,050,569,644/79,359,337.68
  6. Step 6: Final answer
    x = 66,851,012.19

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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.