Home / 139,023,008.80-208,534,513.20-132,645,716.80

Finding the Fourth Proportional to 139,023,008.80, 208,534,513.20 and 132,645,716.80

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Solution

The fourth proportional to 139,023,008.80, 208,534,513.20 and 132,645,716.80 is: 198,968,575.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,023,008.80 : 208,534,513.20 = 132,645,716.80 : x
  2. Step 2: Convert to fraction form
    139,023,008.80/208,534,513.20 = 132,645,716.80/x
  3. Step 3: Cross multiply
    139,023,008.80x = 208,534,513.20 × 132,645,716.80
  4. Step 4: Simplify right side
    139,023,008.80x = 27,661,209,980,953,060
  5. Step 5: Solve for x
    x = 27,661,209,980,953,060/139,023,008.80
  6. Step 6: Final answer
    x = 198,968,575.20

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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.