Home / 57,593,043.20-86,389,564.80-42,287,542.40

Finding the Fourth Proportional to 57,593,043.20, 86,389,564.80 and 42,287,542.40

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Solution

The fourth proportional to 57,593,043.20, 86,389,564.80 and 42,287,542.40 is: 63,431,313.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,593,043.20 : 86,389,564.80 = 42,287,542.40 : x
  2. Step 2: Convert to fraction form
    57,593,043.20/86,389,564.80 = 42,287,542.40/x
  3. Step 3: Cross multiply
    57,593,043.20x = 86,389,564.80 × 42,287,542.40
  4. Step 4: Simplify right side
    57,593,043.20x = 3,653,202,384,397,547.50
  5. Step 5: Solve for x
    x = 3,653,202,384,397,547.50/57,593,043.20
  6. Step 6: Final answer
    x = 63,431,313.60

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.