Home / 145,156,960.20-217,735,440.30-49,418,848.20

Finding the Fourth Proportional to 145,156,960.20, 217,735,440.30 and 49,418,848.20

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Solution

The fourth proportional to 145,156,960.20, 217,735,440.30 and 49,418,848.20 is: 74,128,272.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,156,960.20 : 217,735,440.30 = 49,418,848.20 : x
  2. Step 2: Convert to fraction form
    145,156,960.20/217,735,440.30 = 49,418,848.20/x
  3. Step 3: Cross multiply
    145,156,960.20x = 217,735,440.30 × 49,418,848.20
  4. Step 4: Simplify right side
    145,156,960.20x = 10,760,234,671,945,864
  5. Step 5: Solve for x
    x = 10,760,234,671,945,864/145,156,960.20
  6. Step 6: Final answer
    x = 74,128,272.30

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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.