Home / 83,136,970.32-114,724,391.22-45,965,101.56

Finding the Fourth Proportional to 83,136,970.32, 114,724,391.22 and 45,965,101.56

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Solution

The fourth proportional to 83,136,970.32, 114,724,391.22 and 45,965,101.56 is: 63,429,281.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,136,970.32 : 114,724,391.22 = 45,965,101.56 : x
  2. Step 2: Convert to fraction form
    83,136,970.32/114,724,391.22 = 45,965,101.56/x
  3. Step 3: Cross multiply
    83,136,970.32x = 114,724,391.22 × 45,965,101.56
  4. Step 4: Simplify right side
    83,136,970.32x = 5,273,318,293,836,473
  5. Step 5: Solve for x
    x = 5,273,318,293,836,473/83,136,970.32
  6. Step 6: Final answer
    x = 63,429,281.50

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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.