Home / 119,102,145.89-164,353,756.14-66,177,043.86

Finding the Fourth Proportional to 119,102,145.89, 164,353,756.14 and 66,177,043.86

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Solution

The fourth proportional to 119,102,145.89, 164,353,756.14 and 66,177,043.86 is: 91,320,317.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,102,145.89 : 164,353,756.14 = 66,177,043.86 : x
  2. Step 2: Convert to fraction form
    119,102,145.89/164,353,756.14 = 66,177,043.86/x
  3. Step 3: Cross multiply
    119,102,145.89x = 164,353,756.14 × 66,177,043.86
  4. Step 4: Simplify right side
    119,102,145.89x = 10,876,445,729,248,850
  5. Step 5: Solve for x
    x = 10,876,445,729,248,850/119,102,145.89
  6. Step 6: Final answer
    x = 91,320,317.10

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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.