Home / 65,862,840.33-90,890,826.50-36,088,757.12

Finding the Fourth Proportional to 65,862,840.33, 90,890,826.50 and 36,088,757.12

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Solution

The fourth proportional to 65,862,840.33, 90,890,826.50 and 36,088,757.12 is: 49,802,543.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,862,840.33 : 90,890,826.50 = 36,088,757.12 : x
  2. Step 2: Convert to fraction form
    65,862,840.33/90,890,826.50 = 36,088,757.12/x
  3. Step 3: Cross multiply
    65,862,840.33x = 90,890,826.50 × 36,088,757.12
  4. Step 4: Simplify right side
    65,862,840.33x = 3,280,136,961,359,662
  5. Step 5: Solve for x
    x = 3,280,136,961,359,662/65,862,840.33
  6. Step 6: Final answer
    x = 49,802,543.36

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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.