Home / 85,654,850.99-128,530,869.05-46,262,617.11

Finding the Fourth Proportional to 85,654,850.99, 128,530,869.05 and 46,262,617.11

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Solution

The fourth proportional to 85,654,850.99, 128,530,869.05 and 46,262,617.11 is: 69,420,170.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,654,850.99 : 128,530,869.05 = 46,262,617.11 : x
  2. Step 2: Convert to fraction form
    85,654,850.99/128,530,869.05 = 46,262,617.11/x
  3. Step 3: Cross multiply
    85,654,850.99x = 128,530,869.05 × 46,262,617.11
  4. Step 4: Simplify right side
    85,654,850.99x = 5,946,174,381,791,356
  5. Step 5: Solve for x
    x = 5,946,174,381,791,356/85,654,850.99
  6. Step 6: Final answer
    x = 69,420,170.76

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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.