Home / 55,139,815.20-82,709,722.80-34,732,480.80

Finding the Fourth Proportional to 55,139,815.20, 82,709,722.80 and 34,732,480.80

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Solution

The fourth proportional to 55,139,815.20, 82,709,722.80 and 34,732,480.80 is: 52,098,721.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,139,815.20 : 82,709,722.80 = 34,732,480.80 : x
  2. Step 2: Convert to fraction form
    55,139,815.20/82,709,722.80 = 34,732,480.80/x
  3. Step 3: Cross multiply
    55,139,815.20x = 82,709,722.80 × 34,732,480.80
  4. Step 4: Simplify right side
    55,139,815.20x = 2,872,713,859,124,322
  5. Step 5: Solve for x
    x = 2,872,713,859,124,322/55,139,815.20
  6. Step 6: Final answer
    x = 52,098,721.20

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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.