Home / 131,203,509.24-181,059,766.28-71,664,843.35

Finding the Fourth Proportional to 131,203,509.24, 181,059,766.28 and 71,664,843.35

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Solution

The fourth proportional to 131,203,509.24, 181,059,766.28 and 71,664,843.35 is: 98,896,895.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,203,509.24 : 181,059,766.28 = 71,664,843.35 : x
  2. Step 2: Convert to fraction form
    131,203,509.24/181,059,766.28 = 71,664,843.35/x
  3. Step 3: Cross multiply
    131,203,509.24x = 181,059,766.28 × 71,664,843.35
  4. Step 4: Simplify right side
    131,203,509.24x = 12,975,619,788,008,976
  5. Step 5: Solve for x
    x = 12,975,619,788,008,976/131,203,509.24
  6. Step 6: Final answer
    x = 98,896,895.85

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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.