Home / 125,664,895.80-188,497,343.70-86,922,846.90

Finding the Fourth Proportional to 125,664,895.80, 188,497,343.70 and 86,922,846.90

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Solution

The fourth proportional to 125,664,895.80, 188,497,343.70 and 86,922,846.90 is: 130,384,270.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,664,895.80 : 188,497,343.70 = 86,922,846.90 : x
  2. Step 2: Convert to fraction form
    125,664,895.80/188,497,343.70 = 86,922,846.90/x
  3. Step 3: Cross multiply
    125,664,895.80x = 188,497,343.70 × 86,922,846.90
  4. Step 4: Simplify right side
    125,664,895.80x = 16,384,725,747,491,780
  5. Step 5: Solve for x
    x = 16,384,725,747,491,780/125,664,895.80
  6. Step 6: Final answer
    x = 130,384,270.35

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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.