Home / 105,253,763.11-157,878,854.03-31,477,711.75

Finding the Fourth Proportional to 105,253,763.11, 157,878,854.03 and 31,477,711.75

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Solution

The fourth proportional to 105,253,763.11, 157,878,854.03 and 31,477,711.75 is: 47,216,032.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,253,763.11 : 157,878,854.03 = 31,477,711.75 : x
  2. Step 2: Convert to fraction form
    105,253,763.11/157,878,854.03 = 31,477,711.75/x
  3. Step 3: Cross multiply
    105,253,763.11x = 157,878,854.03 × 31,477,711.75
  4. Step 4: Simplify right side
    105,253,763.11x = 4,969,665,058,419,277
  5. Step 5: Solve for x
    x = 4,969,665,058,419,277/105,253,763.11
  6. Step 6: Final answer
    x = 47,216,032.11

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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.