Home / 66,985,441.20-100,478,161.80-32,973,217.20

Finding the Fourth Proportional to 66,985,441.20, 100,478,161.80 and 32,973,217.20

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Solution

The fourth proportional to 66,985,441.20, 100,478,161.80 and 32,973,217.20 is: 49,459,825.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,985,441.20 : 100,478,161.80 = 32,973,217.20 : x
  2. Step 2: Convert to fraction form
    66,985,441.20/100,478,161.80 = 32,973,217.20/x
  3. Step 3: Cross multiply
    66,985,441.20x = 100,478,161.80 × 32,973,217.20
  4. Step 4: Simplify right side
    66,985,441.20x = 3,313,088,252,888,143
  5. Step 5: Solve for x
    x = 3,313,088,252,888,143/66,985,441.20
  6. Step 6: Final answer
    x = 49,459,825.80

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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.