Home / 48,385,124.80-72,577,687.20-27,977,790.40

Finding the Fourth Proportional to 48,385,124.80, 72,577,687.20 and 27,977,790.40

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Solution

The fourth proportional to 48,385,124.80, 72,577,687.20 and 27,977,790.40 is: 41,966,685.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,385,124.80 : 72,577,687.20 = 27,977,790.40 : x
  2. Step 2: Convert to fraction form
    48,385,124.80/72,577,687.20 = 27,977,790.40/x
  3. Step 3: Cross multiply
    48,385,124.80x = 72,577,687.20 × 27,977,790.40
  4. Step 4: Simplify right side
    48,385,124.80x = 2,030,563,320,198,362.75
  5. Step 5: Solve for x
    x = 2,030,563,320,198,362.75/48,385,124.80
  6. Step 6: Final answer
    x = 41,966,685.60

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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.