Home / 115,273,846.12-159,060,543.04-65,718,525.64

Finding the Fourth Proportional to 115,273,846.12, 159,060,543.04 and 65,718,525.64

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Solution

The fourth proportional to 115,273,846.12, 159,060,543.04 and 65,718,525.64 is: 90,681,665.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,273,846.12 : 159,060,543.04 = 65,718,525.64 : x
  2. Step 2: Convert to fraction form
    115,273,846.12/159,060,543.04 = 65,718,525.64/x
  3. Step 3: Cross multiply
    115,273,846.12x = 159,060,543.04 × 65,718,525.64
  4. Step 4: Simplify right side
    115,273,846.12x = 10,453,224,376,086,564
  5. Step 5: Solve for x
    x = 10,453,224,376,086,564/115,273,846.12
  6. Step 6: Final answer
    x = 90,681,665.69

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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.