Home / 318,272,424.32-477,488,073.59-111,013,819.31

Finding the Fourth Proportional to 318,272,424.32, 477,488,073.59 and 111,013,819.31

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Solution

The fourth proportional to 318,272,424.32, 477,488,073.59 and 111,013,819.31 is: 166,548,436.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,272,424.32 : 477,488,073.59 = 111,013,819.31 : x
  2. Step 2: Convert to fraction form
    318,272,424.32/477,488,073.59 = 111,013,819.31/x
  3. Step 3: Cross multiply
    318,272,424.32x = 477,488,073.59 × 111,013,819.31
  4. Step 4: Simplify right side
    318,272,424.32x = 53,007,774,721,257,736
  5. Step 5: Solve for x
    x = 53,007,774,721,257,736/318,272,424.32
  6. Step 6: Final answer
    x = 166,548,436.72

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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.