Home / 103,612,474.66-143,049,744.35-65,956,885.28

Finding the Fourth Proportional to 103,612,474.66, 143,049,744.35 and 65,956,885.28

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Solution

The fourth proportional to 103,612,474.66, 143,049,744.35 and 65,956,885.28 is: 91,061,579.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,612,474.66 : 143,049,744.35 = 65,956,885.28 : x
  2. Step 2: Convert to fraction form
    103,612,474.66/143,049,744.35 = 65,956,885.28/x
  3. Step 3: Cross multiply
    103,612,474.66x = 143,049,744.35 × 65,956,885.28
  4. Step 4: Simplify right side
    103,612,474.66x = 9,435,115,577,096,494
  5. Step 5: Solve for x
    x = 9,435,115,577,096,494/103,612,474.66
  6. Step 6: Final answer
    x = 91,061,579.30

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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.