Home / 109,655,278.70-164,482,918.05-92,436,590.30

Finding the Fourth Proportional to 109,655,278.70, 164,482,918.05 and 92,436,590.30

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Solution

The fourth proportional to 109,655,278.70, 164,482,918.05 and 92,436,590.30 is: 138,654,885.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,655,278.70 : 164,482,918.05 = 92,436,590.30 : x
  2. Step 2: Convert to fraction form
    109,655,278.70/164,482,918.05 = 92,436,590.30/x
  3. Step 3: Cross multiply
    109,655,278.70x = 164,482,918.05 × 92,436,590.30
  4. Step 4: Simplify right side
    109,655,278.70x = 15,204,240,107,136,326
  5. Step 5: Solve for x
    x = 15,204,240,107,136,326/109,655,278.70
  6. Step 6: Final answer
    x = 138,654,885.45

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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.