Home / 84,726,921-116,916,734.24-47,550,021.20

Finding the Fourth Proportional to 84,726,921, 116,916,734.24 and 47,550,021.20

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Solution

The fourth proportional to 84,726,921, 116,916,734.24 and 47,550,021.20 is: 65,615,428.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,726,921 : 116,916,734.24 = 47,550,021.20 : x
  2. Step 2: Convert to fraction form
    84,726,921/116,916,734.24 = 47,550,021.20/x
  3. Step 3: Cross multiply
    84,726,921x = 116,916,734.24 × 47,550,021.20
  4. Step 4: Simplify right side
    84,726,921x = 5,559,393,191,746,766
  5. Step 5: Solve for x
    x = 5,559,393,191,746,766/84,726,921
  6. Step 6: Final answer
    x = 65,615,428.09

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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.