Home / 84,202,279.90-126,303,419.85-47,796,603.10

Finding the Fourth Proportional to 84,202,279.90, 126,303,419.85 and 47,796,603.10

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Solution

The fourth proportional to 84,202,279.90, 126,303,419.85 and 47,796,603.10 is: 71,694,904.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,202,279.90 : 126,303,419.85 = 47,796,603.10 : x
  2. Step 2: Convert to fraction form
    84,202,279.90/126,303,419.85 = 47,796,603.10/x
  3. Step 3: Cross multiply
    84,202,279.90x = 126,303,419.85 × 47,796,603.10
  4. Step 4: Simplify right side
    84,202,279.90x = 6,036,874,428,743,111
  5. Step 5: Solve for x
    x = 6,036,874,428,743,111/84,202,279.90
  6. Step 6: Final answer
    x = 71,694,904.65

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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.