Home / 124,104,065.18-171,258,083.04-71,142,805.04

Finding the Fourth Proportional to 124,104,065.18, 171,258,083.04 and 71,142,805.04

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Solution

The fourth proportional to 124,104,065.18, 171,258,083.04 and 71,142,805.04 is: 98,173,902.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,104,065.18 : 171,258,083.04 = 71,142,805.04 : x
  2. Step 2: Convert to fraction form
    124,104,065.18/171,258,083.04 = 71,142,805.04/x
  3. Step 3: Cross multiply
    124,104,065.18x = 171,258,083.04 × 71,142,805.04
  4. Step 4: Simplify right side
    124,104,065.18x = 12,183,780,413,238,852
  5. Step 5: Solve for x
    x = 12,183,780,413,238,852/124,104,065.18
  6. Step 6: Final answer
    x = 98,173,902.65

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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.