Home / 199,291,337.40-298,937,006.10-172,417,481.40

Finding the Fourth Proportional to 199,291,337.40, 298,937,006.10 and 172,417,481.40

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Solution

The fourth proportional to 199,291,337.40, 298,937,006.10 and 172,417,481.40 is: 258,626,222.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,291,337.40 : 298,937,006.10 = 172,417,481.40 : x
  2. Step 2: Convert to fraction form
    199,291,337.40/298,937,006.10 = 172,417,481.40/x
  3. Step 3: Cross multiply
    199,291,337.40x = 298,937,006.10 × 172,417,481.40
  4. Step 4: Simplify right side
    199,291,337.40x = 51,541,965,689,018,440
  5. Step 5: Solve for x
    x = 51,541,965,689,018,440/199,291,337.40
  6. Step 6: Final answer
    x = 258,626,222.10

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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.