Home / 92,741,000.28-139,778,112.90-79,941,638.70

Finding the Fourth Proportional to 92,741,000.28, 139,778,112.90 and 79,941,638.70

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Solution

The fourth proportional to 92,741,000.28, 139,778,112.90 and 79,941,638.70 is: 120,487,070.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,741,000.28 : 139,778,112.90 = 79,941,638.70 : x
  2. Step 2: Convert to fraction form
    92,741,000.28/139,778,112.90 = 79,941,638.70/x
  3. Step 3: Cross multiply
    92,741,000.28x = 139,778,112.90 × 79,941,638.70
  4. Step 4: Simplify right side
    92,741,000.28x = 11,174,091,399,619,610
  5. Step 5: Solve for x
    x = 11,174,091,399,619,610/92,741,000.28
  6. Step 6: Final answer
    x = 120,487,070.08

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.