Home / 80,525,031.40-120,756,054.30-29,380,724.20

Finding the Fourth Proportional to 80,525,031.40, 120,756,054.30 and 29,380,724.20

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Solution

The fourth proportional to 80,525,031.40, 120,756,054.30 and 29,380,724.20 is: 44,059,595.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,525,031.40 : 120,756,054.30 = 29,380,724.20 : x
  2. Step 2: Convert to fraction form
    80,525,031.40/120,756,054.30 = 29,380,724.20/x
  3. Step 3: Cross multiply
    80,525,031.40x = 120,756,054.30 × 29,380,724.20
  4. Step 4: Simplify right side
    80,525,031.40x = 3,547,900,326,868,524
  5. Step 5: Solve for x
    x = 3,547,900,326,868,524/80,525,031.40
  6. Step 6: Final answer
    x = 44,059,595.70

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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.