Home / 45,245,124.12-67,857,586.33-20,980,898.17

Finding the Fourth Proportional to 45,245,124.12, 67,857,586.33 and 20,980,898.17

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Solution

The fourth proportional to 45,245,124.12, 67,857,586.33 and 20,980,898.17 is: 31,466,663.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,245,124.12 : 67,857,586.33 = 20,980,898.17 : x
  2. Step 2: Convert to fraction form
    45,245,124.12/67,857,586.33 = 20,980,898.17/x
  3. Step 3: Cross multiply
    45,245,124.12x = 67,857,586.33 × 20,980,898.17
  4. Step 4: Simplify right side
    45,245,124.12x = 1,423,713,108,746,809.75
  5. Step 5: Solve for x
    x = 1,423,713,108,746,809.75/45,245,124.12
  6. Step 6: Final answer
    x = 31,466,663.79

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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.