Home / 134,661,834.59-185,833,247.74-72,782,173.15

Finding the Fourth Proportional to 134,661,834.59, 185,833,247.74 and 72,782,173.15

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Solution

The fourth proportional to 134,661,834.59, 185,833,247.74 and 72,782,173.15 is: 100,439,353.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,661,834.59 : 185,833,247.74 = 72,782,173.15 : x
  2. Step 2: Convert to fraction form
    134,661,834.59/185,833,247.74 = 72,782,173.15/x
  3. Step 3: Cross multiply
    134,661,834.59x = 185,833,247.74 × 72,782,173.15
  4. Step 4: Simplify right side
    134,661,834.59x = 13,525,347,613,802,024
  5. Step 5: Solve for x
    x = 13,525,347,613,802,024/134,661,834.59
  6. Step 6: Final answer
    x = 100,439,353.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.