Home / 57,091,033.84-78,785,702.76-30,985,551.68

Finding the Fourth Proportional to 57,091,033.84, 78,785,702.76 and 30,985,551.68

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Solution

The fourth proportional to 57,091,033.84, 78,785,702.76 and 30,985,551.68 is: 42,760,102.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,091,033.84 : 78,785,702.76 = 30,985,551.68 : x
  2. Step 2: Convert to fraction form
    57,091,033.84/78,785,702.76 = 30,985,551.68/x
  3. Step 3: Cross multiply
    57,091,033.84x = 78,785,702.76 × 30,985,551.68
  4. Step 4: Simplify right side
    57,091,033.84x = 2,441,218,464,515,099
  5. Step 5: Solve for x
    x = 2,441,218,464,515,099/57,091,033.84
  6. Step 6: Final answer
    x = 42,760,102.60

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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.