Home / 66,752,467.36-100,127,856.24-21,313,685.92

Finding the Fourth Proportional to 66,752,467.36, 100,127,856.24 and 21,313,685.92

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Solution

The fourth proportional to 66,752,467.36, 100,127,856.24 and 21,313,685.92 is: 31,970,259.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,752,467.36 : 100,127,856.24 = 21,313,685.92 : x
  2. Step 2: Convert to fraction form
    66,752,467.36/100,127,856.24 = 21,313,685.92/x
  3. Step 3: Cross multiply
    66,752,467.36x = 100,127,856.24 × 21,313,685.92
  4. Step 4: Simplify right side
    66,752,467.36x = 2,134,093,679,742,272.25
  5. Step 5: Solve for x
    x = 2,134,093,679,742,272.25/66,752,467.36
  6. Step 6: Final answer
    x = 31,970,259.14

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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.