Home / 65,609,966.80-98,414,950.20-20,165,856.40

Finding the Fourth Proportional to 65,609,966.80, 98,414,950.20 and 20,165,856.40

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Solution

The fourth proportional to 65,609,966.80, 98,414,950.20 and 20,165,856.40 is: 30,248,784.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,609,966.80 : 98,414,950.20 = 20,165,856.40 : x
  2. Step 2: Convert to fraction form
    65,609,966.80/98,414,950.20 = 20,165,856.40/x
  3. Step 3: Cross multiply
    65,609,966.80x = 98,414,950.20 × 20,165,856.40
  4. Step 4: Simplify right side
    65,609,966.80x = 1,984,621,753,346,351.25
  5. Step 5: Solve for x
    x = 1,984,621,753,346,351.25/65,609,966.80
  6. Step 6: Final answer
    x = 30,248,784.60

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1.5x scale

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.