Home / 271,441,658.20-407,178,233.70-77,367,278.20

Finding the Fourth Proportional to 271,441,658.20, 407,178,233.70 and 77,367,278.20

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Solution

The fourth proportional to 271,441,658.20, 407,178,233.70 and 77,367,278.20 is: 116,055,405.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,441,658.20 : 407,178,233.70 = 77,367,278.20 : x
  2. Step 2: Convert to fraction form
    271,441,658.20/407,178,233.70 = 77,367,278.20/x
  3. Step 3: Cross multiply
    271,441,658.20x = 407,178,233.70 × 77,367,278.20
  4. Step 4: Simplify right side
    271,441,658.20x = 31,502,271,683,652,516
  5. Step 5: Solve for x
    x = 31,502,271,683,652,516/271,441,658.20
  6. Step 6: Final answer
    x = 116,055,405.40

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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.