Home / 78,079,650.06-116,421,422.28-75,934,460.46

Finding the Fourth Proportional to 78,079,650.06, 116,421,422.28 and 75,934,460.46

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Solution

The fourth proportional to 78,079,650.06, 116,421,422.28 and 75,934,460.46 is: 113,222,816.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,079,650.06 : 116,421,422.28 = 75,934,460.46 : x
  2. Step 2: Convert to fraction form
    78,079,650.06/116,421,422.28 = 75,934,460.46/x
  3. Step 3: Cross multiply
    78,079,650.06x = 116,421,422.28 × 75,934,460.46
  4. Step 4: Simplify right side
    78,079,650.06x = 8,840,397,886,817,622
  5. Step 5: Solve for x
    x = 8,840,397,886,817,622/78,079,650.06
  6. Step 6: Final answer
    x = 113,222,816.44

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.