Home / 139,968,175.30-209,952,262.95-88,312,110.10

Finding the Fourth Proportional to 139,968,175.30, 209,952,262.95 and 88,312,110.10

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Solution

The fourth proportional to 139,968,175.30, 209,952,262.95 and 88,312,110.10 is: 132,468,165.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,175.30 : 209,952,262.95 = 88,312,110.10 : x
  2. Step 2: Convert to fraction form
    139,968,175.30/209,952,262.95 = 88,312,110.10/x
  3. Step 3: Cross multiply
    139,968,175.30x = 209,952,262.95 × 88,312,110.10
  4. Step 4: Simplify right side
    139,968,175.30x = 18,541,327,361,384,548
  5. Step 5: Solve for x
    x = 18,541,327,361,384,548/139,968,175.30
  6. Step 6: Final answer
    x = 132,468,165.15

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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.