Home / 266,113,266.30-399,225,886.65-112,680,344.70

Finding the Fourth Proportional to 266,113,266.30, 399,225,886.65 and 112,680,344.70

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Solution

The fourth proportional to 266,113,266.30, 399,225,886.65 and 112,680,344.70 is: 169,044,223.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,113,266.30 : 399,225,886.65 = 112,680,344.70 : x
  2. Step 2: Convert to fraction form
    266,113,266.30/399,225,886.65 = 112,680,344.70/x
  3. Step 3: Cross multiply
    266,113,266.30x = 399,225,886.65 × 112,680,344.70
  4. Step 4: Simplify right side
    266,113,266.30x = 44,984,910,520,885,128
  5. Step 5: Solve for x
    x = 44,984,910,520,885,128/266,113,266.30
  6. Step 6: Final answer
    x = 169,044,223.71

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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.