Home / 111,796,721.40-167,595,354.90-43,623,557.40

Finding the Fourth Proportional to 111,796,721.40, 167,595,354.90 and 43,623,557.40

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Solution

The fourth proportional to 111,796,721.40, 167,595,354.90 and 43,623,557.40 is: 65,396,422.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,796,721.40 : 167,595,354.90 = 43,623,557.40 : x
  2. Step 2: Convert to fraction form
    111,796,721.40/167,595,354.90 = 43,623,557.40/x
  3. Step 3: Cross multiply
    111,796,721.40x = 167,595,354.90 × 43,623,557.40
  4. Step 4: Simplify right side
    111,796,721.40x = 7,311,105,584,453,521
  5. Step 5: Solve for x
    x = 7,311,105,584,453,521/111,796,721.40
  6. Step 6: Final answer
    x = 65,396,422.12

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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.