Home / 235,507,315.17-325,000,109.79-131,083,144.68

Finding the Fourth Proportional to 235,507,315.17, 325,000,109.79 and 131,083,144.68

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Solution

The fourth proportional to 235,507,315.17, 325,000,109.79 and 131,083,144.68 is: 180,894,747.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,507,315.17 : 325,000,109.79 = 131,083,144.68 : x
  2. Step 2: Convert to fraction form
    235,507,315.17/325,000,109.79 = 131,083,144.68/x
  3. Step 3: Cross multiply
    235,507,315.17x = 325,000,109.79 × 131,083,144.68
  4. Step 4: Simplify right side
    235,507,315.17x = 42,602,036,412,618,456
  5. Step 5: Solve for x
    x = 42,602,036,412,618,456/235,507,315.17
  6. Step 6: Final answer
    x = 180,894,747.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.