Home / 111,240,561.15-153,497,864.57-60,991,556.28

Finding the Fourth Proportional to 111,240,561.15, 153,497,864.57 and 60,991,556.28

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Solution

The fourth proportional to 111,240,561.15, 153,497,864.57 and 60,991,556.28 is: 84,160,611.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,240,561.15 : 153,497,864.57 = 60,991,556.28 : x
  2. Step 2: Convert to fraction form
    111,240,561.15/153,497,864.57 = 60,991,556.28/x
  3. Step 3: Cross multiply
    111,240,561.15x = 153,497,864.57 × 60,991,556.28
  4. Step 4: Simplify right side
    111,240,561.15x = 9,362,073,644,900,398
  5. Step 5: Solve for x
    x = 9,362,073,644,900,398/111,240,561.15
  6. Step 6: Final answer
    x = 84,160,611.46

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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.