Home / 248,778,944.10-343,312,599.69-137,270,793.06

Finding the Fourth Proportional to 248,778,944.10, 343,312,599.69 and 137,270,793.06

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Solution

The fourth proportional to 248,778,944.10, 343,312,599.69 and 137,270,793.06 is: 189,432,401.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,778,944.10 : 343,312,599.69 = 137,270,793.06 : x
  2. Step 2: Convert to fraction form
    248,778,944.10/343,312,599.69 = 137,270,793.06/x
  3. Step 3: Cross multiply
    248,778,944.10x = 343,312,599.69 × 137,270,793.06
  4. Step 4: Simplify right side
    248,778,944.10x = 47,126,792,826,936,608
  5. Step 5: Solve for x
    x = 47,126,792,826,936,608/248,778,944.10
  6. Step 6: Final answer
    x = 189,432,401.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.