Home / 66,863,977.74-100,279,134-25,909,362.81

Finding the Fourth Proportional to 66,863,977.74, 100,279,134 and 25,909,362.81

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Solution

The fourth proportional to 66,863,977.74, 100,279,134 and 25,909,362.81 is: 38,857,521.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,863,977.74 : 100,279,134 = 25,909,362.81 : x
  2. Step 2: Convert to fraction form
    66,863,977.74/100,279,134 = 25,909,362.81/x
  3. Step 3: Cross multiply
    66,863,977.74x = 100,279,134 × 25,909,362.81
  4. Step 4: Simplify right side
    66,863,977.74x = 2,598,168,465,078,606.50
  5. Step 5: Solve for x
    x = 2,598,168,465,078,606.50/66,863,977.74
  6. Step 6: Final answer
    x = 38,857,521.69

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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.