Home / 140,146,272.20-210,156,422.70-53,856,000.20

Finding the Fourth Proportional to 140,146,272.20, 210,156,422.70 and 53,856,000.20

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Solution

The fourth proportional to 140,146,272.20, 210,156,422.70 and 53,856,000.20 is: 80,759,795.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,146,272.20 : 210,156,422.70 = 53,856,000.20 : x
  2. Step 2: Convert to fraction form
    140,146,272.20/210,156,422.70 = 53,856,000.20/x
  3. Step 3: Cross multiply
    140,146,272.20x = 210,156,422.70 × 53,856,000.20
  4. Step 4: Simplify right side
    140,146,272.20x = 11,318,184,342,962,484
  5. Step 5: Solve for x
    x = 11,318,184,342,962,484/140,146,272.20
  6. Step 6: Final answer
    x = 80,759,795.93

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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.