Home / 114,912,961.40-172,369,442.10-92,238,145.40

Finding the Fourth Proportional to 114,912,961.40, 172,369,442.10 and 92,238,145.40

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Solution

The fourth proportional to 114,912,961.40, 172,369,442.10 and 92,238,145.40 is: 138,357,218.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,912,961.40 : 172,369,442.10 = 92,238,145.40 : x
  2. Step 2: Convert to fraction form
    114,912,961.40/172,369,442.10 = 92,238,145.40/x
  3. Step 3: Cross multiply
    114,912,961.40x = 172,369,442.10 × 92,238,145.40
  4. Step 4: Simplify right side
    114,912,961.40x = 15,899,037,662,936,682
  5. Step 5: Solve for x
    x = 15,899,037,662,936,682/114,912,961.40
  6. Step 6: Final answer
    x = 138,357,218.10

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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.