Home / 172,653,255.20-258,938,410.80-99,712,301.60

Finding the Fourth Proportional to 172,653,255.20, 258,938,410.80 and 99,712,301.60

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Solution

The fourth proportional to 172,653,255.20, 258,938,410.80 and 99,712,301.60 is: 149,544,501.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,653,255.20 : 258,938,410.80 = 99,712,301.60 : x
  2. Step 2: Convert to fraction form
    172,653,255.20/258,938,410.80 = 99,712,301.60/x
  3. Step 3: Cross multiply
    172,653,255.20x = 258,938,410.80 × 99,712,301.60
  4. Step 4: Simplify right side
    172,653,255.20x = 25,819,344,913,514,296
  5. Step 5: Solve for x
    x = 25,819,344,913,514,296/172,653,255.20
  6. Step 6: Final answer
    x = 149,544,501.11

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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.