Home / 120,049,490.15-165,604,390.80-73,020,947.46

Finding the Fourth Proportional to 120,049,490.15, 165,604,390.80 and 73,020,947.46

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Solution

The fourth proportional to 120,049,490.15, 165,604,390.80 and 73,020,947.46 is: 100,730,036.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,049,490.15 : 165,604,390.80 = 73,020,947.46 : x
  2. Step 2: Convert to fraction form
    120,049,490.15/165,604,390.80 = 73,020,947.46/x
  3. Step 3: Cross multiply
    120,049,490.15x = 165,604,390.80 × 73,020,947.46
  4. Step 4: Simplify right side
    120,049,490.15x = 12,092,589,519,752,108
  5. Step 5: Solve for x
    x = 12,092,589,519,752,108/120,049,490.15
  6. Step 6: Final answer
    x = 100,730,036.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.