Home / 56,716,459.20-85,074,688.80-28,018,645.20

Finding the Fourth Proportional to 56,716,459.20, 85,074,688.80 and 28,018,645.20

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Solution

The fourth proportional to 56,716,459.20, 85,074,688.80 and 28,018,645.20 is: 42,027,967.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,716,459.20 : 85,074,688.80 = 28,018,645.20 : x
  2. Step 2: Convert to fraction form
    56,716,459.20/85,074,688.80 = 28,018,645.20/x
  3. Step 3: Cross multiply
    56,716,459.20x = 85,074,688.80 × 28,018,645.20
  4. Step 4: Simplify right side
    56,716,459.20x = 2,383,677,520,987,613.50
  5. Step 5: Solve for x
    x = 2,383,677,520,987,613.50/56,716,459.20
  6. Step 6: Final answer
    x = 42,027,967.80

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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.