Home / 111,462,719.94-153,818,912.93-61,903,093.63

Finding the Fourth Proportional to 111,462,719.94, 153,818,912.93 and 61,903,093.63

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Solution

The fourth proportional to 111,462,719.94, 153,818,912.93 and 61,903,093.63 is: 85,426,468.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,462,719.94 : 153,818,912.93 = 61,903,093.63 : x
  2. Step 2: Convert to fraction form
    111,462,719.94/153,818,912.93 = 61,903,093.63/x
  3. Step 3: Cross multiply
    111,462,719.94x = 153,818,912.93 × 61,903,093.63
  4. Step 4: Simplify right side
    111,462,719.94x = 9,521,866,568,401,514
  5. Step 5: Solve for x
    x = 9,521,866,568,401,514/111,462,719.94
  6. Step 6: Final answer
    x = 85,426,468.81

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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.