Home / 319,359,925.92-440,722,437.60-187,296,173.04

Finding the Fourth Proportional to 319,359,925.92, 440,722,437.60 and 187,296,173.04

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Solution

The fourth proportional to 319,359,925.92, 440,722,437.60 and 187,296,173.04 is: 258,472,085.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,359,925.92 : 440,722,437.60 = 187,296,173.04 : x
  2. Step 2: Convert to fraction form
    319,359,925.92/440,722,437.60 = 187,296,173.04/x
  3. Step 3: Cross multiply
    319,359,925.92x = 440,722,437.60 × 187,296,173.04
  4. Step 4: Simplify right side
    319,359,925.92x = 82,545,625,935,340,208
  5. Step 5: Solve for x
    x = 82,545,625,935,340,208/319,359,925.92
  6. Step 6: Final answer
    x = 258,472,085.05

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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.