Home / 228,884,139.20-343,326,208.80-132,138,257.60

Finding the Fourth Proportional to 228,884,139.20, 343,326,208.80 and 132,138,257.60

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Solution

The fourth proportional to 228,884,139.20, 343,326,208.80 and 132,138,257.60 is: 198,207,386.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,884,139.20 : 343,326,208.80 = 132,138,257.60 : x
  2. Step 2: Convert to fraction form
    228,884,139.20/343,326,208.80 = 132,138,257.60/x
  3. Step 3: Cross multiply
    228,884,139.20x = 343,326,208.80 × 132,138,257.60
  4. Step 4: Simplify right side
    228,884,139.20x = 45,366,527,019,245,784
  5. Step 5: Solve for x
    x = 45,366,527,019,245,784/228,884,139.20
  6. Step 6: Final answer
    x = 198,207,386.40

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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.