Home / 120,049,486.65-165,604,385.97-73,020,943.96

Finding the Fourth Proportional to 120,049,486.65, 165,604,385.97 and 73,020,943.96

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Solution

The fourth proportional to 120,049,486.65, 165,604,385.97 and 73,020,943.96 is: 100,730,031.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,049,486.65 : 165,604,385.97 = 73,020,943.96 : x
  2. Step 2: Convert to fraction form
    120,049,486.65/165,604,385.97 = 73,020,943.96/x
  3. Step 3: Cross multiply
    120,049,486.65x = 165,604,385.97 × 73,020,943.96
  4. Step 4: Simplify right side
    120,049,486.65x = 12,092,588,587,031,568
  5. Step 5: Solve for x
    x = 12,092,588,587,031,568/120,049,486.65
  6. Step 6: Final answer
    x = 100,730,031.63

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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.