Home / 49,927,772.80-74,891,659.20-40,857,846.40

Finding the Fourth Proportional to 49,927,772.80, 74,891,659.20 and 40,857,846.40

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Solution

The fourth proportional to 49,927,772.80, 74,891,659.20 and 40,857,846.40 is: 61,286,769.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,927,772.80 : 74,891,659.20 = 40,857,846.40 : x
  2. Step 2: Convert to fraction form
    49,927,772.80/74,891,659.20 = 40,857,846.40/x
  3. Step 3: Cross multiply
    49,927,772.80x = 74,891,659.20 × 40,857,846.40
  4. Step 4: Simplify right side
    49,927,772.80x = 3,059,911,908,234,747
  5. Step 5: Solve for x
    x = 3,059,911,908,234,747/49,927,772.80
  6. Step 6: Final answer
    x = 61,286,769.60

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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.