Home / 84,657,424.10-126,986,136.15-27,155,507.90

Finding the Fourth Proportional to 84,657,424.10, 126,986,136.15 and 27,155,507.90

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Solution

The fourth proportional to 84,657,424.10, 126,986,136.15 and 27,155,507.90 is: 40,733,261.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,657,424.10 : 126,986,136.15 = 27,155,507.90 : x
  2. Step 2: Convert to fraction form
    84,657,424.10/126,986,136.15 = 27,155,507.90/x
  3. Step 3: Cross multiply
    84,657,424.10x = 126,986,136.15 × 27,155,507.90
  4. Step 4: Simplify right side
    84,657,424.10x = 3,448,373,023,411,800.50
  5. Step 5: Solve for x
    x = 3,448,373,023,411,800.50/84,657,424.10
  6. Step 6: Final answer
    x = 40,733,261.85

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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.