Home / 319,972,827.69-479,959,242.72-89,941,912.35

Finding the Fourth Proportional to 319,972,827.69, 479,959,242.72 and 89,941,912.35

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Solution

The fourth proportional to 319,972,827.69, 479,959,242.72 and 89,941,912.35 is: 134,912,868.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,972,827.69 : 479,959,242.72 = 89,941,912.35 : x
  2. Step 2: Convert to fraction form
    319,972,827.69/479,959,242.72 = 89,941,912.35/x
  3. Step 3: Cross multiply
    319,972,827.69x = 479,959,242.72 × 89,941,912.35
  4. Step 4: Simplify right side
    319,972,827.69x = 43,168,452,138,157,488
  5. Step 5: Solve for x
    x = 43,168,452,138,157,488/319,972,827.69
  6. Step 6: Final answer
    x = 134,912,868.85

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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.