Home / 252,319,695.36-378,477,017.28-79,796,538.24

Finding the Fourth Proportional to 252,319,695.36, 378,477,017.28 and 79,796,538.24

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Solution

The fourth proportional to 252,319,695.36, 378,477,017.28 and 79,796,538.24 is: 119,694,008.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,319,695.36 : 378,477,017.28 = 79,796,538.24 : x
  2. Step 2: Convert to fraction form
    252,319,695.36/378,477,017.28 = 79,796,538.24/x
  3. Step 3: Cross multiply
    252,319,695.36x = 378,477,017.28 × 79,796,538.24
  4. Step 4: Simplify right side
    252,319,695.36x = 30,201,155,782,344,656
  5. Step 5: Solve for x
    x = 30,201,155,782,344,656/252,319,695.36
  6. Step 6: Final answer
    x = 119,694,008.58

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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.