Home / 45,306,572.80-67,959,859.20-13,393,868.80

Finding the Fourth Proportional to 45,306,572.80, 67,959,859.20 and 13,393,868.80

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Solution

The fourth proportional to 45,306,572.80, 67,959,859.20 and 13,393,868.80 is: 20,090,803.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,306,572.80 : 67,959,859.20 = 13,393,868.80 : x
  2. Step 2: Convert to fraction form
    45,306,572.80/67,959,859.20 = 13,393,868.80/x
  3. Step 3: Cross multiply
    45,306,572.80x = 67,959,859.20 × 13,393,868.80
  4. Step 4: Simplify right side
    45,306,572.80x = 910,245,437,791,273
  5. Step 5: Solve for x
    x = 910,245,437,791,273/45,306,572.80
  6. Step 6: Final answer
    x = 20,090,803.20

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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.