Home / 65,311,009.68-90,129,167.28-35,942,342.24

Finding the Fourth Proportional to 65,311,009.68, 90,129,167.28 and 35,942,342.24

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Solution

The fourth proportional to 65,311,009.68, 90,129,167.28 and 35,942,342.24 is: 49,600,417.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,311,009.68 : 90,129,167.28 = 35,942,342.24 : x
  2. Step 2: Convert to fraction form
    65,311,009.68/90,129,167.28 = 35,942,342.24/x
  3. Step 3: Cross multiply
    65,311,009.68x = 90,129,167.28 × 35,942,342.24
  4. Step 4: Simplify right side
    65,311,009.68x = 3,239,453,376,183,970
  5. Step 5: Solve for x
    x = 3,239,453,376,183,970/65,311,009.68
  6. Step 6: Final answer
    x = 49,600,417.94

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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.