Home / 140,443,710.60-210,665,565.90-68,780,094.60

Finding the Fourth Proportional to 140,443,710.60, 210,665,565.90 and 68,780,094.60

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Solution

The fourth proportional to 140,443,710.60, 210,665,565.90 and 68,780,094.60 is: 103,170,141.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,443,710.60 : 210,665,565.90 = 68,780,094.60 : x
  2. Step 2: Convert to fraction form
    140,443,710.60/210,665,565.90 = 68,780,094.60/x
  3. Step 3: Cross multiply
    140,443,710.60x = 210,665,565.90 × 68,780,094.60
  4. Step 4: Simplify right side
    140,443,710.60x = 14,489,597,551,564,534
  5. Step 5: Solve for x
    x = 14,489,597,551,564,534/140,443,710.60
  6. Step 6: Final answer
    x = 103,170,141.90

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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.