Home / 103,586,171.30-155,397,919.35-43,008,020.90

Finding the Fourth Proportional to 103,586,171.30, 155,397,919.35 and 43,008,020.90

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Solution

The fourth proportional to 103,586,171.30, 155,397,919.35 and 43,008,020.90 is: 64,519,779.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,586,171.30 : 155,397,919.35 = 43,008,020.90 : x
  2. Step 2: Convert to fraction form
    103,586,171.30/155,397,919.35 = 43,008,020.90/x
  3. Step 3: Cross multiply
    103,586,171.30x = 155,397,919.35 × 43,008,020.90
  4. Step 4: Simplify right side
    103,586,171.30x = 6,683,356,963,221,314
  5. Step 5: Solve for x
    x = 6,683,356,963,221,314/103,586,171.30
  6. Step 6: Final answer
    x = 64,519,779.81

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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.