Home / 139,655,517.60-209,483,276.40-124,320,123.26

Finding the Fourth Proportional to 139,655,517.60, 209,483,276.40 and 124,320,123.26

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Solution

The fourth proportional to 139,655,517.60, 209,483,276.40 and 124,320,123.26 is: 186,480,184.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,655,517.60 : 209,483,276.40 = 124,320,123.26 : x
  2. Step 2: Convert to fraction form
    139,655,517.60/209,483,276.40 = 124,320,123.26/x
  3. Step 3: Cross multiply
    139,655,517.60x = 209,483,276.40 × 124,320,123.26
  4. Step 4: Simplify right side
    139,655,517.60x = 26,042,986,741,909,232
  5. Step 5: Solve for x
    x = 26,042,986,741,909,232/139,655,517.60
  6. Step 6: Final answer
    x = 186,480,184.88

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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.