Home / 372,811,869.17-559,275,264.15-127,111,043.54

Finding the Fourth Proportional to 372,811,869.17, 559,275,264.15 and 127,111,043.54

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Solution

The fourth proportional to 372,811,869.17, 559,275,264.15 and 127,111,043.54 is: 190,686,156.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,811,869.17 : 559,275,264.15 = 127,111,043.54 : x
  2. Step 2: Convert to fraction form
    372,811,869.17/559,275,264.15 = 127,111,043.54/x
  3. Step 3: Cross multiply
    372,811,869.17x = 559,275,264.15 × 127,111,043.54
  4. Step 4: Simplify right side
    372,811,869.17x = 71,090,062,449,419,272
  5. Step 5: Solve for x
    x = 71,090,062,449,419,272/372,811,869.17
  6. Step 6: Final answer
    x = 190,686,156.56

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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.