Home / 80,548,022.40-120,885,019.20-37,422,569.40

Finding the Fourth Proportional to 80,548,022.40, 120,885,019.20 and 37,422,569.40

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Solution

The fourth proportional to 80,548,022.40, 120,885,019.20 and 37,422,569.40 is: 56,163,117.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,548,022.40 : 120,885,019.20 = 37,422,569.40 : x
  2. Step 2: Convert to fraction form
    80,548,022.40/120,885,019.20 = 37,422,569.40/x
  3. Step 3: Cross multiply
    80,548,022.40x = 120,885,019.20 × 37,422,569.40
  4. Step 4: Simplify right side
    80,548,022.40x = 4,523,828,020,432,332
  5. Step 5: Solve for x
    x = 4,523,828,020,432,332/80,548,022.40
  6. Step 6: Final answer
    x = 56,163,117.18

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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.