Home / 239,735,740.95-330,836,194.40-129,727,453.95

Finding the Fourth Proportional to 239,735,740.95, 330,836,194.40 and 129,727,453.95

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Solution

The fourth proportional to 239,735,740.95, 330,836,194.40 and 129,727,453.95 is: 179,024,358.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,735,740.95 : 330,836,194.40 = 129,727,453.95 : x
  2. Step 2: Convert to fraction form
    239,735,740.95/330,836,194.40 = 129,727,453.95/x
  3. Step 3: Cross multiply
    239,735,740.95x = 330,836,194.40 × 129,727,453.95
  4. Step 4: Simplify right side
    239,735,740.95x = 42,918,537,173,370,608
  5. Step 5: Solve for x
    x = 42,918,537,173,370,608/239,735,740.95
  6. Step 6: Final answer
    x = 179,024,358.25

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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.