Home / 265,700,039.36-398,523,150.14-71,631,072.18

Finding the Fourth Proportional to 265,700,039.36, 398,523,150.14 and 71,631,072.18

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Solution

The fourth proportional to 265,700,039.36, 398,523,150.14 and 71,631,072.18 is: 107,439,353.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,700,039.36 : 398,523,150.14 = 71,631,072.18 : x
  2. Step 2: Convert to fraction form
    265,700,039.36/398,523,150.14 = 71,631,072.18/x
  3. Step 3: Cross multiply
    265,700,039.36x = 398,523,150.14 × 71,631,072.18
  4. Step 4: Simplify right side
    265,700,039.36x = 28,546,640,532,721,164
  5. Step 5: Solve for x
    x = 28,546,640,532,721,164/265,700,039.36
  6. Step 6: Final answer
    x = 107,439,353.80

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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.