Home / 86,522,499.29-129,718,474.40-28,195,347.96

Finding the Fourth Proportional to 86,522,499.29, 129,718,474.40 and 28,195,347.96

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Solution

The fourth proportional to 86,522,499.29, 129,718,474.40 and 28,195,347.96 is: 42,271,750.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,522,499.29 : 129,718,474.40 = 28,195,347.96 : x
  2. Step 2: Convert to fraction form
    86,522,499.29/129,718,474.40 = 28,195,347.96/x
  3. Step 3: Cross multiply
    86,522,499.29x = 129,718,474.40 × 28,195,347.96
  4. Step 4: Simplify right side
    86,522,499.29x = 3,657,457,522,618,841
  5. Step 5: Solve for x
    x = 3,657,457,522,618,841/86,522,499.29
  6. Step 6: Final answer
    x = 42,271,750.73

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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.