Home / 81,456,875.40-122,173,503.30-23,943,149.40

Finding the Fourth Proportional to 81,456,875.40, 122,173,503.30 and 23,943,149.40

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Solution

The fourth proportional to 81,456,875.40, 122,173,503.30 and 23,943,149.40 is: 35,911,252.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,456,875.40 : 122,173,503.30 = 23,943,149.40 : x
  2. Step 2: Convert to fraction form
    81,456,875.40/122,173,503.30 = 23,943,149.40/x
  3. Step 3: Cross multiply
    81,456,875.40x = 122,173,503.30 × 23,943,149.40
  4. Step 4: Simplify right side
    81,456,875.40x = 2,925,218,442,233,293
  5. Step 5: Solve for x
    x = 2,925,218,442,233,293/81,456,875.40
  6. Step 6: Final answer
    x = 35,911,252.77

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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.