Home / 74,088,610.20-111,132,915.30-72,671,434.20

Finding the Fourth Proportional to 74,088,610.20, 111,132,915.30 and 72,671,434.20

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Solution

The fourth proportional to 74,088,610.20, 111,132,915.30 and 72,671,434.20 is: 109,007,151.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,088,610.20 : 111,132,915.30 = 72,671,434.20 : x
  2. Step 2: Convert to fraction form
    74,088,610.20/111,132,915.30 = 72,671,434.20/x
  3. Step 3: Cross multiply
    74,088,610.20x = 111,132,915.30 × 72,671,434.20
  4. Step 4: Simplify right side
    74,088,610.20x = 8,076,188,341,678,123
  5. Step 5: Solve for x
    x = 8,076,188,341,678,123/74,088,610.20
  6. Step 6: Final answer
    x = 109,007,151.30

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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.