Home / 131,048,766.27-180,847,085.24-72,311,387.07

Finding the Fourth Proportional to 131,048,766.27, 180,847,085.24 and 72,311,387.07

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Solution

The fourth proportional to 131,048,766.27, 180,847,085.24 and 72,311,387.07 is: 99,789,597.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,048,766.27 : 180,847,085.24 = 72,311,387.07 : x
  2. Step 2: Convert to fraction form
    131,048,766.27/180,847,085.24 = 72,311,387.07/x
  3. Step 3: Cross multiply
    131,048,766.27x = 180,847,085.24 × 72,311,387.07
  4. Step 4: Simplify right side
    131,048,766.27x = 13,077,303,580,909,366
  5. Step 5: Solve for x
    x = 13,077,303,580,909,366/131,048,766.27
  6. Step 6: Final answer
    x = 99,789,597.06

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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.