Home / 111,186,710.56-153,446,853.24-61,642,631.20

Finding the Fourth Proportional to 111,186,710.56, 153,446,853.24 and 61,642,631.20

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Solution

The fourth proportional to 111,186,710.56, 153,446,853.24 and 61,642,631.20 is: 85,071,927.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,186,710.56 : 153,446,853.24 = 61,642,631.20 : x
  2. Step 2: Convert to fraction form
    111,186,710.56/153,446,853.24 = 61,642,631.20/x
  3. Step 3: Cross multiply
    111,186,710.56x = 153,446,853.24 × 61,642,631.20
  4. Step 4: Simplify right side
    111,186,710.56x = 9,458,867,783,073,846
  5. Step 5: Solve for x
    x = 9,458,867,783,073,846/111,186,710.56
  6. Step 6: Final answer
    x = 85,071,927.53

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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.