Home / 199,609,856.70-298,966,887.45-163,778,048.70

Finding the Fourth Proportional to 199,609,856.70, 298,966,887.45 and 163,778,048.70

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Solution

The fourth proportional to 199,609,856.70, 298,966,887.45 and 163,778,048.70 is: 245,299,577.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,609,856.70 : 298,966,887.45 = 163,778,048.70 : x
  2. Step 2: Convert to fraction form
    199,609,856.70/298,966,887.45 = 163,778,048.70/x
  3. Step 3: Cross multiply
    199,609,856.70x = 298,966,887.45 × 163,778,048.70
  4. Step 4: Simplify right side
    199,609,856.70x = 48,964,213,452,473,512
  5. Step 5: Solve for x
    x = 48,964,213,452,473,512/199,609,856.70
  6. Step 6: Final answer
    x = 245,299,577.20

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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.