Home / 104,872,104.56-144,732,120.90-57,838,377.80

Finding the Fourth Proportional to 104,872,104.56, 144,732,120.90 and 57,838,377.80

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Solution

The fourth proportional to 104,872,104.56, 144,732,120.90 and 57,838,377.80 is: 79,821,713.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,872,104.56 : 144,732,120.90 = 57,838,377.80 : x
  2. Step 2: Convert to fraction form
    104,872,104.56/144,732,120.90 = 57,838,377.80/x
  3. Step 3: Cross multiply
    104,872,104.56x = 144,732,120.90 × 57,838,377.80
  4. Step 4: Simplify right side
    104,872,104.56x = 8,371,071,088,409,476
  5. Step 5: Solve for x
    x = 8,371,071,088,409,476/104,872,104.56
  6. Step 6: Final answer
    x = 79,821,713.54

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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.