Home / 144,836,229.80-199,849,766-85,309,378.08

Finding the Fourth Proportional to 144,836,229.80, 199,849,766 and 85,309,378.08

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Solution

The fourth proportional to 144,836,229.80, 199,849,766 and 85,309,378.08 is: 117,712,669.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,836,229.80 : 199,849,766 = 85,309,378.08 : x
  2. Step 2: Convert to fraction form
    144,836,229.80/199,849,766 = 85,309,378.08/x
  3. Step 3: Cross multiply
    144,836,229.80x = 199,849,766 × 85,309,378.08
  4. Step 4: Simplify right side
    144,836,229.80x = 17,049,059,246,893,528
  5. Step 5: Solve for x
    x = 17,049,059,246,893,528/144,836,229.80
  6. Step 6: Final answer
    x = 117,712,669.48

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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.