Home / 29,125,813.70-43,688,720.55-20,055,887.30

Finding the Fourth Proportional to 29,125,813.70, 43,688,720.55 and 20,055,887.30

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Solution

The fourth proportional to 29,125,813.70, 43,688,720.55 and 20,055,887.30 is: 30,083,830.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,125,813.70 : 43,688,720.55 = 20,055,887.30 : x
  2. Step 2: Convert to fraction form
    29,125,813.70/43,688,720.55 = 20,055,887.30/x
  3. Step 3: Cross multiply
    29,125,813.70x = 43,688,720.55 × 20,055,887.30
  4. Step 4: Simplify right side
    29,125,813.70x = 876,216,055,631,994
  5. Step 5: Solve for x
    x = 876,216,055,631,994/29,125,813.70
  6. Step 6: Final answer
    x = 30,083,830.95

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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.