Home / 54,828,367.32-82,156,031.64-20,237,158.56

Finding the Fourth Proportional to 54,828,367.32, 82,156,031.64 and 20,237,158.56

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Solution

The fourth proportional to 54,828,367.32, 82,156,031.64 and 20,237,158.56 is: 30,323,803.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,828,367.32 : 82,156,031.64 = 20,237,158.56 : x
  2. Step 2: Convert to fraction form
    54,828,367.32/82,156,031.64 = 20,237,158.56/x
  3. Step 3: Cross multiply
    54,828,367.32x = 82,156,031.64 × 20,237,158.56
  4. Step 4: Simplify right side
    54,828,367.32x = 1,662,604,638,959,056.75
  5. Step 5: Solve for x
    x = 1,662,604,638,959,056.75/54,828,367.32
  6. Step 6: Final answer
    x = 30,323,803.54

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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.