Home / 49,718,862.76-68,615,479.02-30,140,576.32

Finding the Fourth Proportional to 49,718,862.76, 68,615,479.02 and 30,140,576.32

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Solution

The fourth proportional to 49,718,862.76, 68,615,479.02 and 30,140,576.32 is: 41,596,085.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,718,862.76 : 68,615,479.02 = 30,140,576.32 : x
  2. Step 2: Convert to fraction form
    49,718,862.76/68,615,479.02 = 30,140,576.32/x
  3. Step 3: Cross multiply
    49,718,862.76x = 68,615,479.02 × 30,140,576.32
  4. Step 4: Simplify right side
    49,718,862.76x = 2,068,110,082,135,668.75
  5. Step 5: Solve for x
    x = 2,068,110,082,135,668.75/49,718,862.76
  6. Step 6: Final answer
    x = 41,596,085.82

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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.