Home / 65,890,827.40-98,790,161.10-38,950,616.20

Finding the Fourth Proportional to 65,890,827.40, 98,790,161.10 and 38,950,616.20

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Solution

The fourth proportional to 65,890,827.40, 98,790,161.10 and 38,950,616.20 is: 58,398,684.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,890,827.40 : 98,790,161.10 = 38,950,616.20 : x
  2. Step 2: Convert to fraction form
    65,890,827.40/98,790,161.10 = 38,950,616.20/x
  3. Step 3: Cross multiply
    65,890,827.40x = 98,790,161.10 × 38,950,616.20
  4. Step 4: Simplify right side
    65,890,827.40x = 3,847,937,649,342,270
  5. Step 5: Solve for x
    x = 3,847,937,649,342,270/65,890,827.40
  6. Step 6: Final answer
    x = 58,398,684.63

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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.