Home / 202,464,849.15-279,400,100.67-109,643,232.87

Finding the Fourth Proportional to 202,464,849.15, 279,400,100.67 and 109,643,232.87

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Solution

The fourth proportional to 202,464,849.15, 279,400,100.67 and 109,643,232.87 is: 151,306,907.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,464,849.15 : 279,400,100.67 = 109,643,232.87 : x
  2. Step 2: Convert to fraction form
    202,464,849.15/279,400,100.67 = 109,643,232.87/x
  3. Step 3: Cross multiply
    202,464,849.15x = 279,400,100.67 × 109,643,232.87
  4. Step 4: Simplify right side
    202,464,849.15x = 30,634,330,301,662,256
  5. Step 5: Solve for x
    x = 30,634,330,301,662,256/202,464,849.15
  6. Step 6: Final answer
    x = 151,306,907.99

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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.