Home / 111,414,018.52-153,748,350.57-66,785,199.51

Finding the Fourth Proportional to 111,414,018.52, 153,748,350.57 and 66,785,199.51

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Solution

The fourth proportional to 111,414,018.52, 153,748,350.57 and 66,785,199.51 is: 92,161,780.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,414,018.52 : 153,748,350.57 = 66,785,199.51 : x
  2. Step 2: Convert to fraction form
    111,414,018.52/153,748,350.57 = 66,785,199.51/x
  3. Step 3: Cross multiply
    111,414,018.52x = 153,748,350.57 × 66,785,199.51
  4. Step 4: Simplify right side
    111,414,018.52x = 10,268,114,267,150,872
  5. Step 5: Solve for x
    x = 10,268,114,267,150,872/111,414,018.52
  6. Step 6: Final answer
    x = 92,161,780.03

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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.