Home / 172,204,330.83-258,307,447.61-42,811,941.12

Finding the Fourth Proportional to 172,204,330.83, 258,307,447.61 and 42,811,941.12

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Solution

The fourth proportional to 172,204,330.83, 258,307,447.61 and 42,811,941.12 is: 64,218,148.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,204,330.83 : 258,307,447.61 = 42,811,941.12 : x
  2. Step 2: Convert to fraction form
    172,204,330.83/258,307,447.61 = 42,811,941.12/x
  3. Step 3: Cross multiply
    172,204,330.83x = 258,307,447.61 × 42,811,941.12
  4. Step 4: Simplify right side
    172,204,330.83x = 11,058,643,237,936,804
  5. Step 5: Solve for x
    x = 11,058,643,237,936,804/172,204,330.83
  6. Step 6: Final answer
    x = 64,218,148.20

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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.