Home / 65,863,081.80-90,890,963.46-36,496,316.34

Finding the Fourth Proportional to 65,863,081.80, 90,890,963.46 and 36,496,316.34

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Solution

The fourth proportional to 65,863,081.80, 90,890,963.46 and 36,496,316.34 is: 50,364,867.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,863,081.80 : 90,890,963.46 = 36,496,316.34 : x
  2. Step 2: Convert to fraction form
    65,863,081.80/90,890,963.46 = 36,496,316.34/x
  3. Step 3: Cross multiply
    65,863,081.80x = 90,890,963.46 × 36,496,316.34
  4. Step 4: Simplify right side
    65,863,081.80x = 3,317,185,354,883,541
  5. Step 5: Solve for x
    x = 3,317,185,354,883,541/65,863,081.80
  6. Step 6: Final answer
    x = 50,364,867.00

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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.