Home / 72,771,146.70-109,156,720.05-34,507,394.70

Finding the Fourth Proportional to 72,771,146.70, 109,156,720.05 and 34,507,394.70

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Solution

The fourth proportional to 72,771,146.70, 109,156,720.05 and 34,507,394.70 is: 51,761,092.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,771,146.70 : 109,156,720.05 = 34,507,394.70 : x
  2. Step 2: Convert to fraction form
    72,771,146.70/109,156,720.05 = 34,507,394.70/x
  3. Step 3: Cross multiply
    72,771,146.70x = 109,156,720.05 × 34,507,394.70
  4. Step 4: Simplify right side
    72,771,146.70x = 3,766,714,022,922,754
  5. Step 5: Solve for x
    x = 3,766,714,022,922,754/72,771,146.70
  6. Step 6: Final answer
    x = 51,761,092.05

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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.