Home / 199,609,932.70-298,967,001.45-163,778,124.70

Finding the Fourth Proportional to 199,609,932.70, 298,967,001.45 and 163,778,124.70

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Solution

The fourth proportional to 199,609,932.70, 298,967,001.45 and 163,778,124.70 is: 245,299,691.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,609,932.70 : 298,967,001.45 = 163,778,124.70 : x
  2. Step 2: Convert to fraction form
    199,609,932.70/298,967,001.45 = 163,778,124.70/x
  3. Step 3: Cross multiply
    199,609,932.70x = 298,967,001.45 × 163,778,124.70
  4. Step 4: Simplify right side
    199,609,932.70x = 48,964,254,844,663,176
  5. Step 5: Solve for x
    x = 48,964,254,844,663,176/199,609,932.70
  6. Step 6: Final answer
    x = 245,299,691.16

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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.