Home / 103,839,673.14-143,342,871.86-64,700,787.29

Finding the Fourth Proportional to 103,839,673.14, 143,342,871.86 and 64,700,787.29

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Solution

The fourth proportional to 103,839,673.14, 143,342,871.86 and 64,700,787.29 is: 89,314,578.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,839,673.14 : 143,342,871.86 = 64,700,787.29 : x
  2. Step 2: Convert to fraction form
    103,839,673.14/143,342,871.86 = 64,700,787.29/x
  3. Step 3: Cross multiply
    103,839,673.14x = 143,342,871.86 × 64,700,787.29
  4. Step 4: Simplify right side
    103,839,673.14x = 9,274,396,661,196,624
  5. Step 5: Solve for x
    x = 9,274,396,661,196,624/103,839,673.14
  6. Step 6: Final answer
    x = 89,314,578.72

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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.