Home / 144,650,636.47-199,634,437.53-81,088,143.11

Finding the Fourth Proportional to 144,650,636.47, 199,634,437.53 and 81,088,143.11

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Solution

The fourth proportional to 144,650,636.47, 199,634,437.53 and 81,088,143.11 is: 111,910,920.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,650,636.47 : 199,634,437.53 = 81,088,143.11 : x
  2. Step 2: Convert to fraction form
    144,650,636.47/199,634,437.53 = 81,088,143.11/x
  3. Step 3: Cross multiply
    144,650,636.47x = 199,634,437.53 × 81,088,143.11
  4. Step 4: Simplify right side
    144,650,636.47x = 16,187,985,839,711,554
  5. Step 5: Solve for x
    x = 16,187,985,839,711,554/144,650,636.47
  6. Step 6: Final answer
    x = 111,910,920.24

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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.