Home / 199,301,006.10-298,951,509.15-147,644,940.90

Finding the Fourth Proportional to 199,301,006.10, 298,951,509.15 and 147,644,940.90

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Solution

The fourth proportional to 199,301,006.10, 298,951,509.15 and 147,644,940.90 is: 221,467,411.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,301,006.10 : 298,951,509.15 = 147,644,940.90 : x
  2. Step 2: Convert to fraction form
    199,301,006.10/298,951,509.15 = 147,644,940.90/x
  3. Step 3: Cross multiply
    199,301,006.10x = 298,951,509.15 × 147,644,940.90
  4. Step 4: Simplify right side
    199,301,006.10x = 44,138,677,900,417,560
  5. Step 5: Solve for x
    x = 44,138,677,900,417,560/199,301,006.10
  6. Step 6: Final answer
    x = 221,467,411.35

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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.