Home / 154,426,818.28-231,640,041.12-39,411,372.92

Finding the Fourth Proportional to 154,426,818.28, 231,640,041.12 and 39,411,372.92

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Solution

The fourth proportional to 154,426,818.28, 231,640,041.12 and 39,411,372.92 is: 59,117,011.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,426,818.28 : 231,640,041.12 = 39,411,372.92 : x
  2. Step 2: Convert to fraction form
    154,426,818.28/231,640,041.12 = 39,411,372.92/x
  3. Step 3: Cross multiply
    154,426,818.28x = 231,640,041.12 × 39,411,372.92
  4. Step 4: Simplify right side
    154,426,818.28x = 9,129,252,043,784,456
  5. Step 5: Solve for x
    x = 9,129,252,043,784,456/154,426,818.28
  6. Step 6: Final answer
    x = 59,117,011.83

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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.