Home / 72,718,121.55-109,077,182.33-72,718,121.55

Finding the Fourth Proportional to 72,718,121.55, 109,077,182.33 and 72,718,121.55

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Solution

The fourth proportional to 72,718,121.55, 109,077,182.33 and 72,718,121.55 is: 109,077,182.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,718,121.55 : 109,077,182.33 = 72,718,121.55 : x
  2. Step 2: Convert to fraction form
    72,718,121.55/109,077,182.33 = 72,718,121.55/x
  3. Step 3: Cross multiply
    72,718,121.55x = 109,077,182.33 × 72,718,121.55
  4. Step 4: Simplify right side
    72,718,121.55x = 7,931,887,802,640,861
  5. Step 5: Solve for x
    x = 7,931,887,802,640,861/72,718,121.55
  6. Step 6: Final answer
    x = 109,077,182.33

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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.