Home / 98,639,584.80-147,968,708.40-26,836,000.80

Finding the Fourth Proportional to 98,639,584.80, 147,968,708.40 and 26,836,000.80

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Solution

The fourth proportional to 98,639,584.80, 147,968,708.40 and 26,836,000.80 is: 40,256,539.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,639,584.80 : 147,968,708.40 = 26,836,000.80 : x
  2. Step 2: Convert to fraction form
    98,639,584.80/147,968,708.40 = 26,836,000.80/x
  3. Step 3: Cross multiply
    98,639,584.80x = 147,968,708.40 × 26,836,000.80
  4. Step 4: Simplify right side
    98,639,584.80x = 3,970,888,376,997,367
  5. Step 5: Solve for x
    x = 3,970,888,376,997,367/98,639,584.80
  6. Step 6: Final answer
    x = 40,256,539.86

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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.