Home / 121,875,530.60-168,188,234.10-69,665,697.32

Finding the Fourth Proportional to 121,875,530.60, 168,188,234.10 and 69,665,697.32

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Solution

The fourth proportional to 121,875,530.60, 168,188,234.10 and 69,665,697.32 is: 96,138,663.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,875,530.60 : 168,188,234.10 = 69,665,697.32 : x
  2. Step 2: Convert to fraction form
    121,875,530.60/168,188,234.10 = 69,665,697.32/x
  3. Step 3: Cross multiply
    121,875,530.60x = 168,188,234.10 × 69,665,697.32
  4. Step 4: Simplify right side
    121,875,530.60x = 11,716,950,609,595,900
  5. Step 5: Solve for x
    x = 11,716,950,609,595,900/121,875,530.60
  6. Step 6: Final answer
    x = 96,138,663.37

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Why These Related Problems?

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