Home / 381,804,438.24-572,602,134.56-105,389,573.85

Finding the Fourth Proportional to 381,804,438.24, 572,602,134.56 and 105,389,573.85

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Solution

The fourth proportional to 381,804,438.24, 572,602,134.56 and 105,389,573.85 is: 158,055,509.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,804,438.24 : 572,602,134.56 = 105,389,573.85 : x
  2. Step 2: Convert to fraction form
    381,804,438.24/572,602,134.56 = 105,389,573.85/x
  3. Step 3: Cross multiply
    381,804,438.24x = 572,602,134.56 × 105,389,573.85
  4. Step 4: Simplify right side
    381,804,438.24x = 60,346,294,946,351,800
  5. Step 5: Solve for x
    x = 60,346,294,946,351,800/381,804,438.24
  6. Step 6: Final answer
    x = 158,055,509.32

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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.