Home / 111,356,447.36-153,656,210.86-66,691,952.24

Finding the Fourth Proportional to 111,356,447.36, 153,656,210.86 and 66,691,952.24

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Solution

The fourth proportional to 111,356,447.36, 153,656,210.86 and 66,691,952.24 is: 92,025,499.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,356,447.36 : 153,656,210.86 = 66,691,952.24 : x
  2. Step 2: Convert to fraction form
    111,356,447.36/153,656,210.86 = 66,691,952.24/x
  3. Step 3: Cross multiply
    111,356,447.36x = 153,656,210.86 × 66,691,952.24
  4. Step 4: Simplify right side
    111,356,447.36x = 10,247,632,675,119,478
  5. Step 5: Solve for x
    x = 10,247,632,675,119,478/111,356,447.36
  6. Step 6: Final answer
    x = 92,025,499.36

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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.