Home / 65,287,872.34-90,097,260.86-35,918,574.85

Finding the Fourth Proportional to 65,287,872.34, 90,097,260.86 and 35,918,574.85

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Solution

The fourth proportional to 65,287,872.34, 90,097,260.86 and 35,918,574.85 is: 49,567,631.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,287,872.34 : 90,097,260.86 = 35,918,574.85 : x
  2. Step 2: Convert to fraction form
    65,287,872.34/90,097,260.86 = 35,918,574.85/x
  3. Step 3: Cross multiply
    65,287,872.34x = 90,097,260.86 × 35,918,574.85
  4. Step 4: Simplify right side
    65,287,872.34x = 3,236,165,207,979,885.50
  5. Step 5: Solve for x
    x = 3,236,165,207,979,885.50/65,287,872.34
  6. Step 6: Final answer
    x = 49,567,631.66

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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.