Home / 111,063,774.74-166,659,452.76-86,734,405.76

Finding the Fourth Proportional to 111,063,774.74, 166,659,452.76 and 86,734,405.76

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Solution

The fourth proportional to 111,063,774.74, 166,659,452.76 and 86,734,405.76 is: 130,151,425.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,063,774.74 : 166,659,452.76 = 86,734,405.76 : x
  2. Step 2: Convert to fraction form
    111,063,774.74/166,659,452.76 = 86,734,405.76/x
  3. Step 3: Cross multiply
    111,063,774.74x = 166,659,452.76 × 86,734,405.76
  4. Step 4: Simplify right side
    111,063,774.74x = 14,455,108,599,425,392
  5. Step 5: Solve for x
    x = 14,455,108,599,425,392/111,063,774.74
  6. Step 6: Final answer
    x = 130,151,425.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.