Home / 384,387,424.36-576,679,354.72-111,758,191.36

Finding the Fourth Proportional to 384,387,424.36, 576,679,354.72 and 111,758,191.36

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Solution

The fourth proportional to 384,387,424.36, 576,679,354.72 and 111,758,191.36 is: 167,665,843.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,387,424.36 : 576,679,354.72 = 111,758,191.36 : x
  2. Step 2: Convert to fraction form
    384,387,424.36/576,679,354.72 = 111,758,191.36/x
  3. Step 3: Cross multiply
    384,387,424.36x = 576,679,354.72 × 111,758,191.36
  4. Step 4: Simplify right side
    384,387,424.36x = 64,448,641,678,159,080
  5. Step 5: Solve for x
    x = 64,448,641,678,159,080/384,387,424.36
  6. Step 6: Final answer
    x = 167,665,843.35

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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.