Home / 55,930,718.07-77,186,797.11-31,150,915.83

Finding the Fourth Proportional to 55,930,718.07, 77,186,797.11 and 31,150,915.83

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Solution

The fourth proportional to 55,930,718.07, 77,186,797.11 and 31,150,915.83 is: 42,989,603.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,930,718.07 : 77,186,797.11 = 31,150,915.83 : x
  2. Step 2: Convert to fraction form
    55,930,718.07/77,186,797.11 = 31,150,915.83/x
  3. Step 3: Cross multiply
    55,930,718.07x = 77,186,797.11 × 31,150,915.83
  4. Step 4: Simplify right side
    55,930,718.07x = 2,404,439,419,960,897
  5. Step 5: Solve for x
    x = 2,404,439,419,960,897/55,930,718.07
  6. Step 6: Final answer
    x = 42,989,603.98

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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.