Home / 129,844,117.83-194,766,564.25-31,475,434.40

Finding the Fourth Proportional to 129,844,117.83, 194,766,564.25 and 31,475,434.40

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Solution

The fourth proportional to 129,844,117.83, 194,766,564.25 and 31,475,434.40 is: 47,213,245.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,844,117.83 : 194,766,564.25 = 31,475,434.40 : x
  2. Step 2: Convert to fraction form
    129,844,117.83/194,766,564.25 = 31,475,434.40/x
  3. Step 3: Cross multiply
    129,844,117.83x = 194,766,564.25 × 31,475,434.40
  4. Step 4: Simplify right side
    129,844,117.83x = 6,130,362,215,311,739
  5. Step 5: Solve for x
    x = 6,130,362,215,311,739/129,844,117.83
  6. Step 6: Final answer
    x = 47,213,245.53

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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.