Home / 199,609,956.20-298,967,036.70-163,778,148.20

Finding the Fourth Proportional to 199,609,956.20, 298,967,036.70 and 163,778,148.20

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Solution

The fourth proportional to 199,609,956.20, 298,967,036.70 and 163,778,148.20 is: 245,299,726.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,609,956.20 : 298,967,036.70 = 163,778,148.20 : x
  2. Step 2: Convert to fraction form
    199,609,956.20/298,967,036.70 = 163,778,148.20/x
  3. Step 3: Cross multiply
    199,609,956.20x = 298,967,036.70 × 163,778,148.20
  4. Step 4: Simplify right side
    199,609,956.20x = 48,964,267,643,567,432
  5. Step 5: Solve for x
    x = 48,964,267,643,567,432/199,609,956.20
  6. Step 6: Final answer
    x = 245,299,726.40

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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.