Home / 65,869,666.56-90,945,510.48-50,372,759.52

Finding the Fourth Proportional to 65,869,666.56, 90,945,510.48 and 50,372,759.52

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Solution

The fourth proportional to 65,869,666.56, 90,945,510.48 and 50,372,759.52 is: 69,549,104.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,869,666.56 : 90,945,510.48 = 50,372,759.52 : x
  2. Step 2: Convert to fraction form
    65,869,666.56/90,945,510.48 = 50,372,759.52/x
  3. Step 3: Cross multiply
    65,869,666.56x = 90,945,510.48 × 50,372,759.52
  4. Step 4: Simplify right side
    65,869,666.56x = 4,581,176,328,832,680
  5. Step 5: Solve for x
    x = 4,581,176,328,832,680/65,869,666.56
  6. Step 6: Final answer
    x = 69,549,104.59

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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.