Home / 84,829,989.10-127,126,350.18-45,884,331.76

Finding the Fourth Proportional to 84,829,989.10, 127,126,350.18 and 45,884,331.76

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Solution

The fourth proportional to 84,829,989.10, 127,126,350.18 and 45,884,331.76 is: 68,762,329.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,829,989.10 : 127,126,350.18 = 45,884,331.76 : x
  2. Step 2: Convert to fraction form
    84,829,989.10/127,126,350.18 = 45,884,331.76/x
  3. Step 3: Cross multiply
    84,829,989.10x = 127,126,350.18 × 45,884,331.76
  4. Step 4: Simplify right side
    84,829,989.10x = 5,833,107,627,097,056
  5. Step 5: Solve for x
    x = 5,833,107,627,097,056/84,829,989.10
  6. Step 6: Final answer
    x = 68,762,329.09

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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.