Home / 80,866,006.17-121,353,587.78-31,675,758.02

Finding the Fourth Proportional to 80,866,006.17, 121,353,587.78 and 31,675,758.02

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Solution

The fourth proportional to 80,866,006.17, 121,353,587.78 and 31,675,758.02 is: 47,535,015.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,866,006.17 : 121,353,587.78 = 31,675,758.02 : x
  2. Step 2: Convert to fraction form
    80,866,006.17/121,353,587.78 = 31,675,758.02/x
  3. Step 3: Cross multiply
    80,866,006.17x = 121,353,587.78 × 31,675,758.02
  4. Step 4: Simplify right side
    80,866,006.17x = 3,843,966,881,760,682.50
  5. Step 5: Solve for x
    x = 3,843,966,881,760,682.50/80,866,006.17
  6. Step 6: Final answer
    x = 47,535,015.81

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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.