Home / 65,865,847.40-90,896,862.15-36,494,431.93

Finding the Fourth Proportional to 65,865,847.40, 90,896,862.15 and 36,494,431.93

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Solution

The fourth proportional to 65,865,847.40, 90,896,862.15 and 36,494,431.93 is: 50,363,420.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,865,847.40 : 90,896,862.15 = 36,494,431.93 : x
  2. Step 2: Convert to fraction form
    65,865,847.40/90,896,862.15 = 36,494,431.93/x
  3. Step 3: Cross multiply
    65,865,847.40x = 90,896,862.15 × 36,494,431.93
  4. Step 4: Simplify right side
    65,865,847.40x = 3,317,229,348,383,768.50
  5. Step 5: Solve for x
    x = 3,317,229,348,383,768.50/65,865,847.40
  6. Step 6: Final answer
    x = 50,363,420.18

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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.