Home / 68,375,765.40-102,563,648.10-19,853,525.40

Finding the Fourth Proportional to 68,375,765.40, 102,563,648.10 and 19,853,525.40

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Solution

The fourth proportional to 68,375,765.40, 102,563,648.10 and 19,853,525.40 is: 29,780,288.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,375,765.40 : 102,563,648.10 = 19,853,525.40 : x
  2. Step 2: Convert to fraction form
    68,375,765.40/102,563,648.10 = 19,853,525.40/x
  3. Step 3: Cross multiply
    68,375,765.40x = 102,563,648.10 × 19,853,525.40
  4. Step 4: Simplify right side
    68,375,765.40x = 2,036,249,992,670,011.50
  5. Step 5: Solve for x
    x = 2,036,249,992,670,011.50/68,375,765.40
  6. Step 6: Final answer
    x = 29,780,288.10

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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.