Home / 281,350,743.40-422,026,115.10-173,855,319.40

Finding the Fourth Proportional to 281,350,743.40, 422,026,115.10 and 173,855,319.40

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Solution

The fourth proportional to 281,350,743.40, 422,026,115.10 and 173,855,319.40 is: 260,782,979.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,350,743.40 : 422,026,115.10 = 173,855,319.40 : x
  2. Step 2: Convert to fraction form
    281,350,743.40/422,026,115.10 = 173,855,319.40/x
  3. Step 3: Cross multiply
    281,350,743.40x = 422,026,115.10 × 173,855,319.40
  4. Step 4: Simplify right side
    281,350,743.40x = 73,371,485,035,851,664
  5. Step 5: Solve for x
    x = 73,371,485,035,851,664/281,350,743.40
  6. Step 6: Final answer
    x = 260,782,979.10

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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.