Home / 179,610,781.40-269,416,172.10-77,574,109.40

Finding the Fourth Proportional to 179,610,781.40, 269,416,172.10 and 77,574,109.40

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Solution

The fourth proportional to 179,610,781.40, 269,416,172.10 and 77,574,109.40 is: 116,361,164.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,610,781.40 : 269,416,172.10 = 77,574,109.40 : x
  2. Step 2: Convert to fraction form
    179,610,781.40/269,416,172.10 = 77,574,109.40/x
  3. Step 3: Cross multiply
    179,610,781.40x = 269,416,172.10 × 77,574,109.40
  4. Step 4: Simplify right side
    179,610,781.40x = 20,899,719,608,614,632
  5. Step 5: Solve for x
    x = 20,899,719,608,614,632/179,610,781.40
  6. Step 6: Final answer
    x = 116,361,164.10

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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.