Home / 80,525,034.40-120,756,058.80-29,380,727.20

Finding the Fourth Proportional to 80,525,034.40, 120,756,058.80 and 29,380,727.20

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Solution

The fourth proportional to 80,525,034.40, 120,756,058.80 and 29,380,727.20 is: 44,059,600.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,525,034.40 : 120,756,058.80 = 29,380,727.20 : x
  2. Step 2: Convert to fraction form
    80,525,034.40/120,756,058.80 = 29,380,727.20/x
  3. Step 3: Cross multiply
    80,525,034.40x = 120,756,058.80 × 29,380,727.20
  4. Step 4: Simplify right side
    80,525,034.40x = 3,547,900,821,349,959
  5. Step 5: Solve for x
    x = 3,547,900,821,349,959/80,525,034.40
  6. Step 6: Final answer
    x = 44,059,600.19

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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.