Home / 111,246,424.32-153,509,004.18-64,218,648.51

Finding the Fourth Proportional to 111,246,424.32, 153,509,004.18 and 64,218,648.51

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Solution

The fourth proportional to 111,246,424.32, 153,509,004.18 and 64,218,648.51 is: 88,615,349.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,246,424.32 : 153,509,004.18 = 64,218,648.51 : x
  2. Step 2: Convert to fraction form
    111,246,424.32/153,509,004.18 = 64,218,648.51/x
  3. Step 3: Cross multiply
    111,246,424.32x = 153,509,004.18 × 64,218,648.51
  4. Step 4: Simplify right side
    111,246,424.32x = 9,858,140,782,555,540
  5. Step 5: Solve for x
    x = 9,858,140,782,555,540/111,246,424.32
  6. Step 6: Final answer
    x = 88,615,349.60

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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.