Home / 72,012,102.56-108,009,042.51-22,828,429.95

Finding the Fourth Proportional to 72,012,102.56, 108,009,042.51 and 22,828,429.95

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Solution

The fourth proportional to 72,012,102.56, 108,009,042.51 and 22,828,429.95 is: 34,239,756.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,012,102.56 : 108,009,042.51 = 22,828,429.95 : x
  2. Step 2: Convert to fraction form
    72,012,102.56/108,009,042.51 = 22,828,429.95/x
  3. Step 3: Cross multiply
    72,012,102.56x = 108,009,042.51 × 22,828,429.95
  4. Step 4: Simplify right side
    72,012,102.56x = 2,465,676,860,458,384
  5. Step 5: Solve for x
    x = 2,465,676,860,458,384/72,012,102.56
  6. Step 6: Final answer
    x = 34,239,756.55

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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.