Home / 247,858,968.32-371,448,326.40-156,819,582.72

Finding the Fourth Proportional to 247,858,968.32, 371,448,326.40 and 156,819,582.72

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Solution

The fourth proportional to 247,858,968.32, 371,448,326.40 and 156,819,582.72 is: 235,014,177.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,858,968.32 : 371,448,326.40 = 156,819,582.72 : x
  2. Step 2: Convert to fraction form
    247,858,968.32/371,448,326.40 = 156,819,582.72/x
  3. Step 3: Cross multiply
    247,858,968.32x = 371,448,326.40 × 156,819,582.72
  4. Step 4: Simplify right side
    247,858,968.32x = 58,250,371,548,090,352
  5. Step 5: Solve for x
    x = 58,250,371,548,090,352/247,858,968.32
  6. Step 6: Final answer
    x = 235,014,177.39

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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.