Home / 139,968,417.20-209,952,625.80-88,572,167.60

Finding the Fourth Proportional to 139,968,417.20, 209,952,625.80 and 88,572,167.60

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Solution

The fourth proportional to 139,968,417.20, 209,952,625.80 and 88,572,167.60 is: 132,858,251.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,417.20 : 209,952,625.80 = 88,572,167.60 : x
  2. Step 2: Convert to fraction form
    139,968,417.20/209,952,625.80 = 88,572,167.60/x
  3. Step 3: Cross multiply
    139,968,417.20x = 209,952,625.80 × 88,572,167.60
  4. Step 4: Simplify right side
    139,968,417.20x = 18,595,959,160,417,684
  5. Step 5: Solve for x
    x = 18,595,959,160,417,684/139,968,417.20
  6. Step 6: Final answer
    x = 132,858,251.40

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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.