Home / 103,612,460.84-143,049,725.27-65,956,871.45

Finding the Fourth Proportional to 103,612,460.84, 143,049,725.27 and 65,956,871.45

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Solution

The fourth proportional to 103,612,460.84, 143,049,725.27 and 65,956,871.45 is: 91,061,560.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,612,460.84 : 143,049,725.27 = 65,956,871.45 : x
  2. Step 2: Convert to fraction form
    103,612,460.84/143,049,725.27 = 65,956,871.45/x
  3. Step 3: Cross multiply
    103,612,460.84x = 143,049,725.27 × 65,956,871.45
  4. Step 4: Simplify right side
    103,612,460.84x = 9,435,112,339,546,172
  5. Step 5: Solve for x
    x = 9,435,112,339,546,172/103,612,460.84
  6. Step 6: Final answer
    x = 91,061,560.20

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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.