Home / 65,698,825.95-90,664,966.98-36,332,134.20

Finding the Fourth Proportional to 65,698,825.95, 90,664,966.98 and 36,332,134.20

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Solution

The fourth proportional to 65,698,825.95, 90,664,966.98 and 36,332,134.20 is: 50,138,669.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,698,825.95 : 90,664,966.98 = 36,332,134.20 : x
  2. Step 2: Convert to fraction form
    65,698,825.95/90,664,966.98 = 36,332,134.20/x
  3. Step 3: Cross multiply
    65,698,825.95x = 90,664,966.98 × 36,332,134.20
  4. Step 4: Simplify right side
    65,698,825.95x = 3,294,051,747,555,929
  5. Step 5: Solve for x
    x = 3,294,051,747,555,929/65,698,825.95
  6. Step 6: Final answer
    x = 50,138,669.91

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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.