Home / 111,497,943.47-153,871,533.42-76,289,596.88

Finding the Fourth Proportional to 111,497,943.47, 153,871,533.42 and 76,289,596.88

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Solution

The fourth proportional to 111,497,943.47, 153,871,533.42 and 76,289,596.88 is: 105,282,634.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,497,943.47 : 153,871,533.42 = 76,289,596.88 : x
  2. Step 2: Convert to fraction form
    111,497,943.47/153,871,533.42 = 76,289,596.88/x
  3. Step 3: Cross multiply
    111,497,943.47x = 153,871,533.42 × 76,289,596.88
  4. Step 4: Simplify right side
    111,497,943.47x = 11,738,797,255,919,246
  5. Step 5: Solve for x
    x = 11,738,797,255,919,246/111,497,943.47
  6. Step 6: Final answer
    x = 105,282,634.73

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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.