Home / 240,155,156.88-331,414,399.98-130,146,869.88

Finding the Fourth Proportional to 240,155,156.88, 331,414,399.98 and 130,146,869.88

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Solution

The fourth proportional to 240,155,156.88, 331,414,399.98 and 130,146,869.88 is: 179,602,834.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,155,156.88 : 331,414,399.98 = 130,146,869.88 : x
  2. Step 2: Convert to fraction form
    240,155,156.88/331,414,399.98 = 130,146,869.88/x
  3. Step 3: Cross multiply
    240,155,156.88x = 331,414,399.98 × 130,146,869.88
  4. Step 4: Simplify right side
    240,155,156.88x = 43,132,546,790,555,336
  5. Step 5: Solve for x
    x = 43,132,546,790,555,336/240,155,156.88
  6. Step 6: Final answer
    x = 179,602,834.06

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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.