Home / 57,216,332.20-85,824,498.30-18,883,762.60

Finding the Fourth Proportional to 57,216,332.20, 85,824,498.30 and 18,883,762.60

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Solution

The fourth proportional to 57,216,332.20, 85,824,498.30 and 18,883,762.60 is: 28,325,643.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,216,332.20 : 85,824,498.30 = 18,883,762.60 : x
  2. Step 2: Convert to fraction form
    57,216,332.20/85,824,498.30 = 18,883,762.60/x
  3. Step 3: Cross multiply
    57,216,332.20x = 85,824,498.30 × 18,883,762.60
  4. Step 4: Simplify right side
    57,216,332.20x = 1,620,689,451,161,303.75
  5. Step 5: Solve for x
    x = 1,620,689,451,161,303.75/57,216,332.20
  6. Step 6: Final answer
    x = 28,325,643.90

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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.