Home / 51,614,541.12-77,422,014.48-20,909,700.48

Finding the Fourth Proportional to 51,614,541.12, 77,422,014.48 and 20,909,700.48

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Solution

The fourth proportional to 51,614,541.12, 77,422,014.48 and 20,909,700.48 is: 31,364,632.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,614,541.12 : 77,422,014.48 = 20,909,700.48 : x
  2. Step 2: Convert to fraction form
    51,614,541.12/77,422,014.48 = 20,909,700.48/x
  3. Step 3: Cross multiply
    51,614,541.12x = 77,422,014.48 × 20,909,700.48
  4. Step 4: Simplify right side
    51,614,541.12x = 1,618,871,133,335,023
  5. Step 5: Solve for x
    x = 1,618,871,133,335,023/51,614,541.12
  6. Step 6: Final answer
    x = 31,364,632.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.