Home / 156,006,176.60-234,009,264.90-79,478,672.60

Finding the Fourth Proportional to 156,006,176.60, 234,009,264.90 and 79,478,672.60

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Solution

The fourth proportional to 156,006,176.60, 234,009,264.90 and 79,478,672.60 is: 119,218,008.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,006,176.60 : 234,009,264.90 = 79,478,672.60 : x
  2. Step 2: Convert to fraction form
    156,006,176.60/234,009,264.90 = 79,478,672.60/x
  3. Step 3: Cross multiply
    156,006,176.60x = 234,009,264.90 × 79,478,672.60
  4. Step 4: Simplify right side
    156,006,176.60x = 18,598,745,750,353,772
  5. Step 5: Solve for x
    x = 18,598,745,750,353,772/156,006,176.60
  6. Step 6: Final answer
    x = 119,218,008.90

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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.