Home / 319,972,818.32-479,959,228.63-89,941,902.98

Finding the Fourth Proportional to 319,972,818.32, 479,959,228.63 and 89,941,902.98

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Solution

The fourth proportional to 319,972,818.32, 479,959,228.63 and 89,941,902.98 is: 134,912,854.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,972,818.32 : 479,959,228.63 = 89,941,902.98 : x
  2. Step 2: Convert to fraction form
    319,972,818.32/479,959,228.63 = 89,941,902.98/x
  3. Step 3: Cross multiply
    319,972,818.32x = 479,959,228.63 × 89,941,902.98
  4. Step 4: Simplify right side
    319,972,818.32x = 43,168,446,375,702,032
  5. Step 5: Solve for x
    x = 43,168,446,375,702,032/319,972,818.32
  6. Step 6: Final answer
    x = 134,912,854.79

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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.