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Finding the Fourth Proportional to 172,906,005.40, 259,359,008.10 and 172,906,005.40

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Solution

The fourth proportional to 172,906,005.40, 259,359,008.10 and 172,906,005.40 is: 259,359,008.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,906,005.40 : 259,359,008.10 = 172,906,005.40 : x
  2. Step 2: Convert to fraction form
    172,906,005.40/259,359,008.10 = 172,906,005.40/x
  3. Step 3: Cross multiply
    172,906,005.40x = 259,359,008.10 × 172,906,005.40
  4. Step 4: Simplify right side
    172,906,005.40x = 44,844,730,055,077,248
  5. Step 5: Solve for x
    x = 44,844,730,055,077,248/172,906,005.40
  6. Step 6: Final answer
    x = 259,359,008.10

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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.