Home / 80,525,026.40-120,756,046.80-29,380,719.20

Finding the Fourth Proportional to 80,525,026.40, 120,756,046.80 and 29,380,719.20

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Solution

The fourth proportional to 80,525,026.40, 120,756,046.80 and 29,380,719.20 is: 44,059,588.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,525,026.40 : 120,756,046.80 = 29,380,719.20 : x
  2. Step 2: Convert to fraction form
    80,525,026.40/120,756,046.80 = 29,380,719.20/x
  3. Step 3: Cross multiply
    80,525,026.40x = 120,756,046.80 × 29,380,719.20
  4. Step 4: Simplify right side
    80,525,026.40x = 3,547,899,502,732,858.50
  5. Step 5: Solve for x
    x = 3,547,899,502,732,858.50/80,525,026.40
  6. Step 6: Final answer
    x = 44,059,588.20

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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.