Home / 257,376,353.28-386,061,160.32-63,289,443.84

Finding the Fourth Proportional to 257,376,353.28, 386,061,160.32 and 63,289,443.84

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Solution

The fourth proportional to 257,376,353.28, 386,061,160.32 and 63,289,443.84 is: 94,933,337.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,376,353.28 : 386,061,160.32 = 63,289,443.84 : x
  2. Step 2: Convert to fraction form
    257,376,353.28/386,061,160.32 = 63,289,443.84/x
  3. Step 3: Cross multiply
    257,376,353.28x = 386,061,160.32 × 63,289,443.84
  4. Step 4: Simplify right side
    257,376,353.28x = 24,433,596,124,877,876
  5. Step 5: Solve for x
    x = 24,433,596,124,877,876/257,376,353.28
  6. Step 6: Final answer
    x = 94,933,337.17

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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.