Home / 111,460,163.40-153,820,122.66-61,900,760.52

Finding the Fourth Proportional to 111,460,163.40, 153,820,122.66 and 61,900,760.52

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Solution

The fourth proportional to 111,460,163.40, 153,820,122.66 and 61,900,760.52 is: 85,425,880.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,460,163.40 : 153,820,122.66 = 61,900,760.52 : x
  2. Step 2: Convert to fraction form
    111,460,163.40/153,820,122.66 = 61,900,760.52/x
  3. Step 3: Cross multiply
    111,460,163.40x = 153,820,122.66 × 61,900,760.52
  4. Step 4: Simplify right side
    111,460,163.40x = 9,521,582,575,933,686
  5. Step 5: Solve for x
    x = 9,521,582,575,933,686/111,460,163.40
  6. Step 6: Final answer
    x = 85,425,880.29

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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.