Home / 67,145,212.20-100,717,818.30-53,708,284.20

Finding the Fourth Proportional to 67,145,212.20, 100,717,818.30 and 53,708,284.20

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Solution

The fourth proportional to 67,145,212.20, 100,717,818.30 and 53,708,284.20 is: 80,562,426.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,145,212.20 : 100,717,818.30 = 53,708,284.20 : x
  2. Step 2: Convert to fraction form
    67,145,212.20/100,717,818.30 = 53,708,284.20/x
  3. Step 3: Cross multiply
    67,145,212.20x = 100,717,818.30 × 53,708,284.20
  4. Step 4: Simplify right side
    67,145,212.20x = 5,409,381,209,260,361
  5. Step 5: Solve for x
    x = 5,409,381,209,260,361/67,145,212.20
  6. Step 6: Final answer
    x = 80,562,426.30

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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.