Home / 157,213,320.30-235,642,833.45-75,371,406.30

Finding the Fourth Proportional to 157,213,320.30, 235,642,833.45 and 75,371,406.30

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Solution

The fourth proportional to 157,213,320.30, 235,642,833.45 and 75,371,406.30 is: 112,972,181.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,213,320.30 : 235,642,833.45 = 75,371,406.30 : x
  2. Step 2: Convert to fraction form
    157,213,320.30/235,642,833.45 = 75,371,406.30/x
  3. Step 3: Cross multiply
    157,213,320.30x = 235,642,833.45 × 75,371,406.30
  4. Step 4: Simplify right side
    157,213,320.30x = 17,760,731,741,643,180
  5. Step 5: Solve for x
    x = 17,760,731,741,643,180/157,213,320.30
  6. Step 6: Final answer
    x = 112,972,181.41

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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.