Home / 370,510,530.31-511,305,307.91-203,248,142.23

Finding the Fourth Proportional to 370,510,530.31, 511,305,307.91 and 203,248,142.23

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Solution

The fourth proportional to 370,510,530.31, 511,305,307.91 and 203,248,142.23 is: 280,482,862.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,510,530.31 : 511,305,307.91 = 203,248,142.23 : x
  2. Step 2: Convert to fraction form
    370,510,530.31/511,305,307.91 = 203,248,142.23/x
  3. Step 3: Cross multiply
    370,510,530.31x = 511,305,307.91 × 203,248,142.23
  4. Step 4: Simplify right side
    370,510,530.31x = 103,921,853,942,751,104
  5. Step 5: Solve for x
    x = 103,921,853,942,751,104/370,510,530.31
  6. Step 6: Final answer
    x = 280,482,862.00

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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.