Home / 136,625,039.28-204,609,172.67-78,155,457.59

Finding the Fourth Proportional to 136,625,039.28, 204,609,172.67 and 78,155,457.59

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Solution

The fourth proportional to 136,625,039.28, 204,609,172.67 and 78,155,457.59 is: 117,045,335.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,625,039.28 : 204,609,172.67 = 78,155,457.59 : x
  2. Step 2: Convert to fraction form
    136,625,039.28/204,609,172.67 = 78,155,457.59/x
  3. Step 3: Cross multiply
    136,625,039.28x = 204,609,172.67 × 78,155,457.59
  4. Step 4: Simplify right side
    136,625,039.28x = 15,991,323,517,549,000
  5. Step 5: Solve for x
    x = 15,991,323,517,549,000/136,625,039.28
  6. Step 6: Final answer
    x = 117,045,335.19

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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.