Home / 99,822,711.02-137,752,803.36-55,770,040.70

Finding the Fourth Proportional to 99,822,711.02, 137,752,803.36 and 55,770,040.70

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Solution

The fourth proportional to 99,822,711.02, 137,752,803.36 and 55,770,040.70 is: 76,961,238.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,822,711.02 : 137,752,803.36 = 55,770,040.70 : x
  2. Step 2: Convert to fraction form
    99,822,711.02/137,752,803.36 = 55,770,040.70/x
  3. Step 3: Cross multiply
    99,822,711.02x = 137,752,803.36 × 55,770,040.70
  4. Step 4: Simplify right side
    99,822,711.02x = 7,682,479,450,528,966
  5. Step 5: Solve for x
    x = 7,682,479,450,528,966/99,822,711.02
  6. Step 6: Final answer
    x = 76,961,238.30

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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.