Home / 67,416,904.20-100,983,638.70-56,079,496.20

Finding the Fourth Proportional to 67,416,904.20, 100,983,638.70 and 56,079,496.20

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Solution

The fourth proportional to 67,416,904.20, 100,983,638.70 and 56,079,496.20 is: 84,001,359.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,416,904.20 : 100,983,638.70 = 56,079,496.20 : x
  2. Step 2: Convert to fraction form
    67,416,904.20/100,983,638.70 = 56,079,496.20/x
  3. Step 3: Cross multiply
    67,416,904.20x = 100,983,638.70 × 56,079,496.20
  4. Step 4: Simplify right side
    67,416,904.20x = 5,663,111,582,738,823
  5. Step 5: Solve for x
    x = 5,663,111,582,738,823/67,416,904.20
  6. Step 6: Final answer
    x = 84,001,359.15

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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.