Home / 49,908,175.20-74,862,262.80-28,334,440.80

Finding the Fourth Proportional to 49,908,175.20, 74,862,262.80 and 28,334,440.80

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Solution

The fourth proportional to 49,908,175.20, 74,862,262.80 and 28,334,440.80 is: 42,501,661.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,908,175.20 : 74,862,262.80 = 28,334,440.80 : x
  2. Step 2: Convert to fraction form
    49,908,175.20/74,862,262.80 = 28,334,440.80/x
  3. Step 3: Cross multiply
    49,908,175.20x = 74,862,262.80 × 28,334,440.80
  4. Step 4: Simplify right side
    49,908,175.20x = 2,121,180,353,460,642.25
  5. Step 5: Solve for x
    x = 2,121,180,353,460,642.25/49,908,175.20
  6. Step 6: Final answer
    x = 42,501,661.20

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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.