Home / 81,124,274.52-121,601,381.19-29,973,668.76

Finding the Fourth Proportional to 81,124,274.52, 121,601,381.19 and 29,973,668.76

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Solution

The fourth proportional to 81,124,274.52, 121,601,381.19 and 29,973,668.76 is: 44,929,086.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,124,274.52 : 121,601,381.19 = 29,973,668.76 : x
  2. Step 2: Convert to fraction form
    81,124,274.52/121,601,381.19 = 29,973,668.76/x
  3. Step 3: Cross multiply
    81,124,274.52x = 121,601,381.19 × 29,973,668.76
  4. Step 4: Simplify right side
    81,124,274.52x = 3,644,839,520,547,555
  5. Step 5: Solve for x
    x = 3,644,839,520,547,555/81,124,274.52
  6. Step 6: Final answer
    x = 44,929,086.17

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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.