Home / 140,534,771.80-193,944,045.68-77,810,870.95

Finding the Fourth Proportional to 140,534,771.80, 193,944,045.68 and 77,810,870.95

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Solution

The fourth proportional to 140,534,771.80, 193,944,045.68 and 77,810,870.95 is: 107,382,357.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,534,771.80 : 193,944,045.68 = 77,810,870.95 : x
  2. Step 2: Convert to fraction form
    140,534,771.80/193,944,045.68 = 77,810,870.95/x
  3. Step 3: Cross multiply
    140,534,771.80x = 193,944,045.68 × 77,810,870.95
  4. Step 4: Simplify right side
    140,534,771.80x = 15,090,955,109,538,332
  5. Step 5: Solve for x
    x = 15,090,955,109,538,332/140,534,771.80
  6. Step 6: Final answer
    x = 107,382,357.52

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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.