Home / 75,003,439.23-112,509,489.15-28,945,547.28

Finding the Fourth Proportional to 75,003,439.23, 112,509,489.15 and 28,945,547.28

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Solution

The fourth proportional to 75,003,439.23, 112,509,489.15 and 28,945,547.28 is: 43,419,992.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,003,439.23 : 112,509,489.15 = 28,945,547.28 : x
  2. Step 2: Convert to fraction form
    75,003,439.23/112,509,489.15 = 28,945,547.28/x
  3. Step 3: Cross multiply
    75,003,439.23x = 112,509,489.15 × 28,945,547.28
  4. Step 4: Simplify right side
    75,003,439.23x = 3,256,648,737,639,972.50
  5. Step 5: Solve for x
    x = 3,256,648,737,639,972.50/75,003,439.23
  6. Step 6: Final answer
    x = 43,419,992.08

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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.