Home / 80,708,864.78-121,083,574.17-23,201,240.51

Finding the Fourth Proportional to 80,708,864.78, 121,083,574.17 and 23,201,240.51

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Solution

The fourth proportional to 80,708,864.78, 121,083,574.17 and 23,201,240.51 is: 34,807,689.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,708,864.78 : 121,083,574.17 = 23,201,240.51 : x
  2. Step 2: Convert to fraction form
    80,708,864.78/121,083,574.17 = 23,201,240.51/x
  3. Step 3: Cross multiply
    80,708,864.78x = 121,083,574.17 × 23,201,240.51
  4. Step 4: Simplify right side
    80,708,864.78x = 2,809,289,125,523,175.50
  5. Step 5: Solve for x
    x = 2,809,289,125,523,175.50/80,708,864.78
  6. Step 6: Final answer
    x = 34,807,689.75

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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.