Home / 86,652,234.90-129,946,859.55-29,146,382.10

Finding the Fourth Proportional to 86,652,234.90, 129,946,859.55 and 29,146,382.10

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Solution

The fourth proportional to 86,652,234.90, 129,946,859.55 and 29,146,382.10 is: 43,708,980.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,652,234.90 : 129,946,859.55 = 29,146,382.10 : x
  2. Step 2: Convert to fraction form
    86,652,234.90/129,946,859.55 = 29,146,382.10/x
  3. Step 3: Cross multiply
    86,652,234.90x = 129,946,859.55 × 29,146,382.10
  4. Step 4: Simplify right side
    86,652,234.90x = 3,787,480,821,139,334
  5. Step 5: Solve for x
    x = 3,787,480,821,139,334/86,652,234.90
  6. Step 6: Final answer
    x = 43,708,980.22

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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.