Home / 56,882,952.28-78,497,915.30-30,776,897.31

Finding the Fourth Proportional to 56,882,952.28, 78,497,915.30 and 30,776,897.31

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Solution

The fourth proportional to 56,882,952.28, 78,497,915.30 and 30,776,897.31 is: 42,471,815.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,882,952.28 : 78,497,915.30 = 30,776,897.31 : x
  2. Step 2: Convert to fraction form
    56,882,952.28/78,497,915.30 = 30,776,897.31/x
  3. Step 3: Cross multiply
    56,882,952.28x = 78,497,915.30 × 30,776,897.31
  4. Step 4: Simplify right side
    56,882,952.28x = 2,415,922,277,690,804
  5. Step 5: Solve for x
    x = 2,415,922,277,690,804/56,882,952.28
  6. Step 6: Final answer
    x = 42,471,815.91

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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.