Home / 291,456,044.30-437,184,066.45-76,045,292.30

Finding the Fourth Proportional to 291,456,044.30, 437,184,066.45 and 76,045,292.30

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Solution

The fourth proportional to 291,456,044.30, 437,184,066.45 and 76,045,292.30 is: 114,067,938.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,456,044.30 : 437,184,066.45 = 76,045,292.30 : x
  2. Step 2: Convert to fraction form
    291,456,044.30/437,184,066.45 = 76,045,292.30/x
  3. Step 3: Cross multiply
    291,456,044.30x = 437,184,066.45 × 76,045,292.30
  4. Step 4: Simplify right side
    291,456,044.30x = 33,245,790,122,092,872
  5. Step 5: Solve for x
    x = 33,245,790,122,092,872/291,456,044.30
  6. Step 6: Final answer
    x = 114,067,938.45

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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.