Home / 189,164,240.10-261,002,125.80-114,822,970.65

Finding the Fourth Proportional to 189,164,240.10, 261,002,125.80 and 114,822,970.65

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Solution

The fourth proportional to 189,164,240.10, 261,002,125.80 and 114,822,970.65 is: 158,428,672.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,164,240.10 : 261,002,125.80 = 114,822,970.65 : x
  2. Step 2: Convert to fraction form
    189,164,240.10/261,002,125.80 = 114,822,970.65/x
  3. Step 3: Cross multiply
    189,164,240.10x = 261,002,125.80 × 114,822,970.65
  4. Step 4: Simplify right side
    189,164,240.10x = 29,969,039,430,321,012
  5. Step 5: Solve for x
    x = 29,969,039,430,321,012/189,164,240.10
  6. Step 6: Final answer
    x = 158,428,672.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.