Home / 56,998,914.80-85,508,740.20-18,649,756.40

Finding the Fourth Proportional to 56,998,914.80, 85,508,740.20 and 18,649,756.40

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Solution

The fourth proportional to 56,998,914.80, 85,508,740.20 and 18,649,756.40 is: 27,978,026.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,998,914.80 : 85,508,740.20 = 18,649,756.40 : x
  2. Step 2: Convert to fraction form
    56,998,914.80/85,508,740.20 = 18,649,756.40/x
  3. Step 3: Cross multiply
    56,998,914.80x = 85,508,740.20 × 18,649,756.40
  4. Step 4: Simplify right side
    56,998,914.80x = 1,594,717,174,800,887.25
  5. Step 5: Solve for x
    x = 1,594,717,174,800,887.25/56,998,914.80
  6. Step 6: Final answer
    x = 27,978,026.96

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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.