Home / 48,385,857.80-72,686,921.10-40,423,233.80

Finding the Fourth Proportional to 48,385,857.80, 72,686,921.10 and 40,423,233.80

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Solution

The fourth proportional to 48,385,857.80, 72,686,921.10 and 40,423,233.80 is: 60,725,189.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,385,857.80 : 72,686,921.10 = 40,423,233.80 : x
  2. Step 2: Convert to fraction form
    48,385,857.80/72,686,921.10 = 40,423,233.80/x
  3. Step 3: Cross multiply
    48,385,857.80x = 72,686,921.10 × 40,423,233.80
  4. Step 4: Simplify right side
    48,385,857.80x = 2,938,240,405,827,452.50
  5. Step 5: Solve for x
    x = 2,938,240,405,827,452.50/48,385,857.80
  6. Step 6: Final answer
    x = 60,725,189.95

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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.