Home / 434,022,691.65-651,034,037.48-161,337,034.05

Finding the Fourth Proportional to 434,022,691.65, 651,034,037.48 and 161,337,034.05

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Solution

The fourth proportional to 434,022,691.65, 651,034,037.48 and 161,337,034.05 is: 242,005,551.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,022,691.65 : 651,034,037.48 = 161,337,034.05 : x
  2. Step 2: Convert to fraction form
    434,022,691.65/651,034,037.48 = 161,337,034.05/x
  3. Step 3: Cross multiply
    434,022,691.65x = 651,034,037.48 × 161,337,034.05
  4. Step 4: Simplify right side
    434,022,691.65x = 105,035,900,672,619,744
  5. Step 5: Solve for x
    x = 105,035,900,672,619,744/434,022,691.65
  6. Step 6: Final answer
    x = 242,005,551.08

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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.