Home / 65,522,989.50-90,418,205.68-36,148,572.37

Finding the Fourth Proportional to 65,522,989.50, 90,418,205.68 and 36,148,572.37

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Solution

The fourth proportional to 65,522,989.50, 90,418,205.68 and 36,148,572.37 is: 49,883,088.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,522,989.50 : 90,418,205.68 = 36,148,572.37 : x
  2. Step 2: Convert to fraction form
    65,522,989.50/90,418,205.68 = 36,148,572.37/x
  3. Step 3: Cross multiply
    65,522,989.50x = 90,418,205.68 × 36,148,572.37
  4. Step 4: Simplify right side
    65,522,989.50x = 3,268,489,051,611,676.50
  5. Step 5: Solve for x
    x = 3,268,489,051,611,676.50/65,522,989.50
  6. Step 6: Final answer
    x = 49,883,088.01

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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.