Home / 135,574,549.18-187,092,998.40-73,694,887.72

Finding the Fourth Proportional to 135,574,549.18, 187,092,998.40 and 73,694,887.72

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Solution

The fourth proportional to 135,574,549.18, 187,092,998.40 and 73,694,887.72 is: 101,699,010.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,574,549.18 : 187,092,998.40 = 73,694,887.72 : x
  2. Step 2: Convert to fraction form
    135,574,549.18/187,092,998.40 = 73,694,887.72/x
  3. Step 3: Cross multiply
    135,574,549.18x = 187,092,998.40 × 73,694,887.72
  4. Step 4: Simplify right side
    135,574,549.18x = 13,787,797,510,286,140
  5. Step 5: Solve for x
    x = 13,787,797,510,286,140/135,574,549.18
  6. Step 6: Final answer
    x = 101,699,010.57

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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.