Home / 78,192,532.18-116,597,958.38-77,490,710.88

Finding the Fourth Proportional to 78,192,532.18, 116,597,958.38 and 77,490,710.88

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Solution

The fourth proportional to 78,192,532.18, 116,597,958.38 and 77,490,710.88 is: 115,551,427.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,192,532.18 : 116,597,958.38 = 77,490,710.88 : x
  2. Step 2: Convert to fraction form
    78,192,532.18/116,597,958.38 = 77,490,710.88/x
  3. Step 3: Cross multiply
    78,192,532.18x = 116,597,958.38 × 77,490,710.88
  4. Step 4: Simplify right side
    78,192,532.18x = 9,035,258,682,458,894
  5. Step 5: Solve for x
    x = 9,035,258,682,458,894/78,192,532.18
  6. Step 6: Final answer
    x = 115,551,427.11

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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.