Home / 86,145,331.08-129,110,230.92-43,026,570.30

Finding the Fourth Proportional to 86,145,331.08, 129,110,230.92 and 43,026,570.30

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Solution

The fourth proportional to 86,145,331.08, 129,110,230.92 and 43,026,570.30 is: 64,486,030.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,145,331.08 : 129,110,230.92 = 43,026,570.30 : x
  2. Step 2: Convert to fraction form
    86,145,331.08/129,110,230.92 = 43,026,570.30/x
  3. Step 3: Cross multiply
    86,145,331.08x = 129,110,230.92 × 43,026,570.30
  4. Step 4: Simplify right side
    86,145,331.08x = 5,555,170,427,128,613
  5. Step 5: Solve for x
    x = 5,555,170,427,128,613/86,145,331.08
  6. Step 6: Final answer
    x = 64,486,030.26

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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.