Home / 115,912,008.20-173,868,012.30-30,811,464.20

Finding the Fourth Proportional to 115,912,008.20, 173,868,012.30 and 30,811,464.20

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Solution

The fourth proportional to 115,912,008.20, 173,868,012.30 and 30,811,464.20 is: 46,217,196.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,912,008.20 : 173,868,012.30 = 30,811,464.20 : x
  2. Step 2: Convert to fraction form
    115,912,008.20/173,868,012.30 = 30,811,464.20/x
  3. Step 3: Cross multiply
    115,912,008.20x = 173,868,012.30 × 30,811,464.20
  4. Step 4: Simplify right side
    115,912,008.20x = 5,357,128,036,506,610
  5. Step 5: Solve for x
    x = 5,357,128,036,506,610/115,912,008.20
  6. Step 6: Final answer
    x = 46,217,196.30

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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.