Home / 103,344,107.10-155,016,160.65-68,906,730.30

Finding the Fourth Proportional to 103,344,107.10, 155,016,160.65 and 68,906,730.30

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Solution

The fourth proportional to 103,344,107.10, 155,016,160.65 and 68,906,730.30 is: 103,360,095.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,344,107.10 : 155,016,160.65 = 68,906,730.30 : x
  2. Step 2: Convert to fraction form
    103,344,107.10/155,016,160.65 = 68,906,730.30/x
  3. Step 3: Cross multiply
    103,344,107.10x = 155,016,160.65 × 68,906,730.30
  4. Step 4: Simplify right side
    103,344,107.10x = 10,681,656,774,051,022
  5. Step 5: Solve for x
    x = 10,681,656,774,051,022/103,344,107.10
  6. Step 6: Final answer
    x = 103,360,095.45

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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.