Home / 56,998,492.80-85,508,107.20-18,649,334.40

Finding the Fourth Proportional to 56,998,492.80, 85,508,107.20 and 18,649,334.40

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Solution

The fourth proportional to 56,998,492.80, 85,508,107.20 and 18,649,334.40 is: 27,977,393.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,998,492.80 : 85,508,107.20 = 18,649,334.40 : x
  2. Step 2: Convert to fraction form
    56,998,492.80/85,508,107.20 = 18,649,334.40/x
  3. Step 3: Cross multiply
    56,998,492.80x = 85,508,107.20 × 18,649,334.40
  4. Step 4: Simplify right side
    56,998,492.80x = 1,594,669,285,083,847.50
  5. Step 5: Solve for x
    x = 1,594,669,285,083,847.50/56,998,492.80
  6. Step 6: Final answer
    x = 27,977,393.91

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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.