Home / 130,420,199.40-195,630,299.10-69,954,023.40

Finding the Fourth Proportional to 130,420,199.40, 195,630,299.10 and 69,954,023.40

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Solution

The fourth proportional to 130,420,199.40, 195,630,299.10 and 69,954,023.40 is: 104,931,035.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,420,199.40 : 195,630,299.10 = 69,954,023.40 : x
  2. Step 2: Convert to fraction form
    130,420,199.40/195,630,299.10 = 69,954,023.40/x
  3. Step 3: Cross multiply
    130,420,199.40x = 195,630,299.10 × 69,954,023.40
  4. Step 4: Simplify right side
    130,420,199.40x = 13,685,126,520,990,400
  5. Step 5: Solve for x
    x = 13,685,126,520,990,400/130,420,199.40
  6. Step 6: Final answer
    x = 104,931,035.10

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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.