Home / 315,047,044.46-434,771,887.30-173,917,939.44

Finding the Fourth Proportional to 315,047,044.46, 434,771,887.30 and 173,917,939.44

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Solution

The fourth proportional to 315,047,044.46, 434,771,887.30 and 173,917,939.44 is: 240,010,601.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,047,044.46 : 434,771,887.30 = 173,917,939.44 : x
  2. Step 2: Convert to fraction form
    315,047,044.46/434,771,887.30 = 173,917,939.44/x
  3. Step 3: Cross multiply
    315,047,044.46x = 434,771,887.30 × 173,917,939.44
  4. Step 4: Simplify right side
    315,047,044.46x = 75,614,630,765,655,904
  5. Step 5: Solve for x
    x = 75,614,630,765,655,904/315,047,044.46
  6. Step 6: Final answer
    x = 240,010,601.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.