Home / 65,598,039-90,524,762.46-36,231,384.78

Finding the Fourth Proportional to 65,598,039, 90,524,762.46 and 36,231,384.78

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Solution

The fourth proportional to 65,598,039, 90,524,762.46 and 36,231,384.78 is: 49,999,017.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,598,039 : 90,524,762.46 = 36,231,384.78 : x
  2. Step 2: Convert to fraction form
    65,598,039/90,524,762.46 = 36,231,384.78/x
  3. Step 3: Cross multiply
    65,598,039x = 90,524,762.46 × 36,231,384.78
  4. Step 4: Simplify right side
    65,598,039x = 3,279,837,500,806,359
  5. Step 5: Solve for x
    x = 3,279,837,500,806,359/65,598,039
  6. Step 6: Final answer
    x = 49,999,017.51

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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.