Home / 90,989,525.20-136,484,287.80-26,295,440.80

Finding the Fourth Proportional to 90,989,525.20, 136,484,287.80 and 26,295,440.80

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Solution

The fourth proportional to 90,989,525.20, 136,484,287.80 and 26,295,440.80 is: 39,443,161.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,989,525.20 : 136,484,287.80 = 26,295,440.80 : x
  2. Step 2: Convert to fraction form
    90,989,525.20/136,484,287.80 = 26,295,440.80/x
  3. Step 3: Cross multiply
    90,989,525.20x = 136,484,287.80 × 26,295,440.80
  4. Step 4: Simplify right side
    90,989,525.20x = 3,588,914,509,975,062.50
  5. Step 5: Solve for x
    x = 3,588,914,509,975,062.50/90,989,525.20
  6. Step 6: Final answer
    x = 39,443,161.20

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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.