Home / 121,348,371.16-182,068,399.50-72,860,034.52

Finding the Fourth Proportional to 121,348,371.16, 182,068,399.50 and 72,860,034.52

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Solution

The fourth proportional to 121,348,371.16, 182,068,399.50 and 72,860,034.52 is: 109,317,576.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,348,371.16 : 182,068,399.50 = 72,860,034.52 : x
  2. Step 2: Convert to fraction form
    121,348,371.16/182,068,399.50 = 72,860,034.52/x
  3. Step 3: Cross multiply
    121,348,371.16x = 182,068,399.50 × 72,860,034.52
  4. Step 4: Simplify right side
    121,348,371.16x = 13,265,509,872,571,150
  5. Step 5: Solve for x
    x = 13,265,509,872,571,150/121,348,371.16
  6. Step 6: Final answer
    x = 109,317,576.71

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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.