Home / 93,517,571.70-140,037,209.10-69,124,429.80

Finding the Fourth Proportional to 93,517,571.70, 140,037,209.10 and 69,124,429.80

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Solution

The fourth proportional to 93,517,571.70, 140,037,209.10 and 69,124,429.80 is: 103,509,875.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,517,571.70 : 140,037,209.10 = 69,124,429.80 : x
  2. Step 2: Convert to fraction form
    93,517,571.70/140,037,209.10 = 69,124,429.80/x
  3. Step 3: Cross multiply
    93,517,571.70x = 140,037,209.10 × 69,124,429.80
  4. Step 4: Simplify right side
    93,517,571.70x = 9,679,992,229,820,870
  5. Step 5: Solve for x
    x = 9,679,992,229,820,870/93,517,571.70
  6. Step 6: Final answer
    x = 103,509,875.78

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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.