Home / 156,872,489.70-235,337,464.54-64,705,949.78

Finding the Fourth Proportional to 156,872,489.70, 235,337,464.54 and 64,705,949.78

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Solution

The fourth proportional to 156,872,489.70, 235,337,464.54 and 64,705,949.78 is: 97,070,775.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,872,489.70 : 235,337,464.54 = 64,705,949.78 : x
  2. Step 2: Convert to fraction form
    156,872,489.70/235,337,464.54 = 64,705,949.78/x
  3. Step 3: Cross multiply
    156,872,489.70x = 235,337,464.54 × 64,705,949.78
  4. Step 4: Simplify right side
    156,872,489.70x = 15,227,734,161,877,770
  5. Step 5: Solve for x
    x = 15,227,734,161,877,770/156,872,489.70
  6. Step 6: Final answer
    x = 97,070,775.07

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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.