Home / 154,524,812.80-231,818,323.20-45,349,772.80

Finding the Fourth Proportional to 154,524,812.80, 231,818,323.20 and 45,349,772.80

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Solution

The fourth proportional to 154,524,812.80, 231,818,323.20 and 45,349,772.80 is: 68,033,787.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,524,812.80 : 231,818,323.20 = 45,349,772.80 : x
  2. Step 2: Convert to fraction form
    154,524,812.80/231,818,323.20 = 45,349,772.80/x
  3. Step 3: Cross multiply
    154,524,812.80x = 231,818,323.20 × 45,349,772.80
  4. Step 4: Simplify right side
    154,524,812.80x = 10,512,908,287,996,968
  5. Step 5: Solve for x
    x = 10,512,908,287,996,968/154,524,812.80
  6. Step 6: Final answer
    x = 68,033,787.57

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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.