Home / 265,700,110.57-398,523,256.51-71,631,143.39

Finding the Fourth Proportional to 265,700,110.57, 398,523,256.51 and 71,631,143.39

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Solution

The fourth proportional to 265,700,110.57, 398,523,256.51 and 71,631,143.39 is: 107,439,460.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,700,110.57 : 398,523,256.51 = 71,631,143.39 : x
  2. Step 2: Convert to fraction form
    265,700,110.57/398,523,256.51 = 71,631,143.39/x
  3. Step 3: Cross multiply
    265,700,110.57x = 398,523,256.51 × 71,631,143.39
  4. Step 4: Simplify right side
    265,700,110.57x = 28,546,676,531,317,560
  5. Step 5: Solve for x
    x = 28,546,676,531,317,560/265,700,110.57
  6. Step 6: Final answer
    x = 107,439,460.49

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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.