Home / 87,822,655.22-121,155,520.29-53,004,215.54

Finding the Fourth Proportional to 87,822,655.22, 121,155,520.29 and 53,004,215.54

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Solution

The fourth proportional to 87,822,655.22, 121,155,520.29 and 53,004,215.54 is: 73,121,830.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,822,655.22 : 121,155,520.29 = 53,004,215.54 : x
  2. Step 2: Convert to fraction form
    87,822,655.22/121,155,520.29 = 53,004,215.54/x
  3. Step 3: Cross multiply
    87,822,655.22x = 121,155,520.29 × 53,004,215.54
  4. Step 4: Simplify right side
    87,822,655.22x = 6,421,753,311,312,004
  5. Step 5: Solve for x
    x = 6,421,753,311,312,004/87,822,655.22
  6. Step 6: Final answer
    x = 73,121,830.53

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.