Home / 319,471,886.72-479,260,805.73-112,156,488.56

Finding the Fourth Proportional to 319,471,886.72, 479,260,805.73 and 112,156,488.56

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Solution

The fourth proportional to 319,471,886.72, 479,260,805.73 and 112,156,488.56 is: 168,253,330.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,471,886.72 : 479,260,805.73 = 112,156,488.56 : x
  2. Step 2: Convert to fraction form
    319,471,886.72/479,260,805.73 = 112,156,488.56/x
  3. Step 3: Cross multiply
    319,471,886.72x = 479,260,805.73 × 112,156,488.56
  4. Step 4: Simplify right side
    319,471,886.72x = 53,752,209,075,113,128
  5. Step 5: Solve for x
    x = 53,752,209,075,113,128/319,471,886.72
  6. Step 6: Final answer
    x = 168,253,330.92

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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.