Home / 127,275,855.95-190,835,651.72-49,461,902.87

Finding the Fourth Proportional to 127,275,855.95, 190,835,651.72 and 49,461,902.87

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Solution

The fourth proportional to 127,275,855.95, 190,835,651.72 and 49,461,902.87 is: 74,162,490.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,275,855.95 : 190,835,651.72 = 49,461,902.87 : x
  2. Step 2: Convert to fraction form
    127,275,855.95/190,835,651.72 = 49,461,902.87/x
  3. Step 3: Cross multiply
    127,275,855.95x = 190,835,651.72 × 49,461,902.87
  4. Step 4: Simplify right side
    127,275,855.95x = 9,439,094,469,631,442
  5. Step 5: Solve for x
    x = 9,439,094,469,631,442/127,275,855.95
  6. Step 6: Final answer
    x = 74,162,490.59

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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.