Home / 80,578,674.40-120,610,820.40-63,572,562.40

Finding the Fourth Proportional to 80,578,674.40, 120,610,820.40 and 63,572,562.40

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Solution

The fourth proportional to 80,578,674.40, 120,610,820.40 and 63,572,562.40 is: 95,155,932.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,578,674.40 : 120,610,820.40 = 63,572,562.40 : x
  2. Step 2: Convert to fraction form
    80,578,674.40/120,610,820.40 = 63,572,562.40/x
  3. Step 3: Cross multiply
    80,578,674.40x = 120,610,820.40 × 63,572,562.40
  4. Step 4: Simplify right side
    80,578,674.40x = 7,667,538,905,994,193
  5. Step 5: Solve for x
    x = 7,667,538,905,994,193/80,578,674.40
  6. Step 6: Final answer
    x = 95,155,932.55

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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.