Home / 65,287,872.09-90,097,260.51-35,918,574.62

Finding the Fourth Proportional to 65,287,872.09, 90,097,260.51 and 35,918,574.62

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Solution

The fourth proportional to 65,287,872.09, 90,097,260.51 and 35,918,574.62 is: 49,567,631.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,287,872.09 : 90,097,260.51 = 35,918,574.62 : x
  2. Step 2: Convert to fraction form
    65,287,872.09/90,097,260.51 = 35,918,574.62/x
  3. Step 3: Cross multiply
    65,287,872.09x = 90,097,260.51 × 35,918,574.62
  4. Step 4: Simplify right side
    65,287,872.09x = 3,236,165,174,235,528.50
  5. Step 5: Solve for x
    x = 3,236,165,174,235,528.50/65,287,872.09
  6. Step 6: Final answer
    x = 49,567,631.33

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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.