Home / 199,610,108.70-298,967,265.45-163,778,300.70

Finding the Fourth Proportional to 199,610,108.70, 298,967,265.45 and 163,778,300.70

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Solution

The fourth proportional to 199,610,108.70, 298,967,265.45 and 163,778,300.70 is: 245,299,955.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,610,108.70 : 298,967,265.45 = 163,778,300.70 : x
  2. Step 2: Convert to fraction form
    199,610,108.70/298,967,265.45 = 163,778,300.70/x
  3. Step 3: Cross multiply
    199,610,108.70x = 298,967,265.45 × 163,778,300.70
  4. Step 4: Simplify right side
    199,610,108.70x = 48,964,350,700,326,816
  5. Step 5: Solve for x
    x = 48,964,350,700,326,816/199,610,108.70
  6. Step 6: Final answer
    x = 245,299,955.09

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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.