Home / 144,650,320.71-199,634,002.31-81,087,827.46

Finding the Fourth Proportional to 144,650,320.71, 199,634,002.31 and 81,087,827.46

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Solution

The fourth proportional to 144,650,320.71, 199,634,002.31 and 81,087,827.46 is: 111,910,484.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,650,320.71 : 199,634,002.31 = 81,087,827.46 : x
  2. Step 2: Convert to fraction form
    144,650,320.71/199,634,002.31 = 81,087,827.46/x
  3. Step 3: Cross multiply
    144,650,320.71x = 199,634,002.31 × 81,087,827.46
  4. Step 4: Simplify right side
    144,650,320.71x = 16,187,887,533,916,612
  5. Step 5: Solve for x
    x = 16,187,887,533,916,612/144,650,320.71
  6. Step 6: Final answer
    x = 111,910,484.91

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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.