Home / 71,274,064.40-98,358,204.85-38,679,016.40

Finding the Fourth Proportional to 71,274,064.40, 98,358,204.85 and 38,679,016.40

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Solution

The fourth proportional to 71,274,064.40, 98,358,204.85 and 38,679,016.40 is: 53,377,040.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,274,064.40 : 98,358,204.85 = 38,679,016.40 : x
  2. Step 2: Convert to fraction form
    71,274,064.40/98,358,204.85 = 38,679,016.40/x
  3. Step 3: Cross multiply
    71,274,064.40x = 98,358,204.85 × 38,679,016.40
  4. Step 4: Simplify right side
    71,274,064.40x = 3,804,398,617,879,221
  5. Step 5: Solve for x
    x = 3,804,398,617,879,221/71,274,064.40
  6. Step 6: Final answer
    x = 53,377,040.44

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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.