Home / 120,617,752.74-166,452,372.81-65,613,478.02

Finding the Fourth Proportional to 120,617,752.74, 166,452,372.81 and 65,613,478.02

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Solution

The fourth proportional to 120,617,752.74, 166,452,372.81 and 65,613,478.02 is: 90,546,531.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,617,752.74 : 166,452,372.81 = 65,613,478.02 : x
  2. Step 2: Convert to fraction form
    120,617,752.74/166,452,372.81 = 65,613,478.02/x
  3. Step 3: Cross multiply
    120,617,752.74x = 166,452,372.81 × 65,613,478.02
  4. Step 4: Simplify right side
    120,617,752.74x = 10,921,519,104,745,782
  5. Step 5: Solve for x
    x = 10,921,519,104,745,782/120,617,752.74
  6. Step 6: Final answer
    x = 90,546,531.14

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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.