Home / 103,612,462.55-143,049,727.61-65,956,873.16

Finding the Fourth Proportional to 103,612,462.55, 143,049,727.61 and 65,956,873.16

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Solution

The fourth proportional to 103,612,462.55, 143,049,727.61 and 65,956,873.16 is: 91,061,562.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,612,462.55 : 143,049,727.61 = 65,956,873.16 : x
  2. Step 2: Convert to fraction form
    103,612,462.55/143,049,727.61 = 65,956,873.16/x
  3. Step 3: Cross multiply
    103,612,462.55x = 143,049,727.61 × 65,956,873.16
  4. Step 4: Simplify right side
    103,612,462.55x = 9,435,112,739,215,534
  5. Step 5: Solve for x
    x = 9,435,112,739,215,534/103,612,462.55
  6. Step 6: Final answer
    x = 91,061,562.55

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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.