Home / 272,151,508.05-408,113,756.46-85,357,325.41

Finding the Fourth Proportional to 272,151,508.05, 408,113,756.46 and 85,357,325.41

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Solution

The fourth proportional to 272,151,508.05, 408,113,756.46 and 85,357,325.41 is: 128,000,388.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,151,508.05 : 408,113,756.46 = 85,357,325.41 : x
  2. Step 2: Convert to fraction form
    272,151,508.05/408,113,756.46 = 85,357,325.41/x
  3. Step 3: Cross multiply
    272,151,508.05x = 408,113,756.46 × 85,357,325.41
  4. Step 4: Simplify right side
    272,151,508.05x = 34,835,498,713,433,424
  5. Step 5: Solve for x
    x = 34,835,498,713,433,424/272,151,508.05
  6. Step 6: Final answer
    x = 128,000,388.32

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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.