Home / 56,935,919.20-85,403,878.80-54,149,000.80

Finding the Fourth Proportional to 56,935,919.20, 85,403,878.80 and 54,149,000.80

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Solution

The fourth proportional to 56,935,919.20, 85,403,878.80 and 54,149,000.80 is: 81,223,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,935,919.20 : 85,403,878.80 = 54,149,000.80 : x
  2. Step 2: Convert to fraction form
    56,935,919.20/85,403,878.80 = 54,149,000.80/x
  3. Step 3: Cross multiply
    56,935,919.20x = 85,403,878.80 × 54,149,000.80
  4. Step 4: Simplify right side
    56,935,919.20x = 4,624,534,701,464,303
  5. Step 5: Solve for x
    x = 4,624,534,701,464,303/56,935,919.20
  6. Step 6: Final answer
    x = 81,223,501.20

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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.