Home / 80,547,449.40-120,884,159.70-37,421,996.40

Finding the Fourth Proportional to 80,547,449.40, 120,884,159.70 and 37,421,996.40

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Solution

The fourth proportional to 80,547,449.40, 120,884,159.70 and 37,421,996.40 is: 56,162,257.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,547,449.40 : 120,884,159.70 = 37,421,996.40 : x
  2. Step 2: Convert to fraction form
    80,547,449.40/120,884,159.70 = 37,421,996.40/x
  3. Step 3: Cross multiply
    80,547,449.40x = 120,884,159.70 × 37,421,996.40
  4. Step 4: Simplify right side
    80,547,449.40x = 4,523,726,589,110,425
  5. Step 5: Solve for x
    x = 4,523,726,589,110,425/80,547,449.40
  6. Step 6: Final answer
    x = 56,162,257.44

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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.