Home / 112,813,057.71-155,624,715.66-73,677,742.47

Finding the Fourth Proportional to 112,813,057.71, 155,624,715.66 and 73,677,742.47

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Solution

The fourth proportional to 112,813,057.71, 155,624,715.66 and 73,677,742.47 is: 101,637,859.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,813,057.71 : 155,624,715.66 = 73,677,742.47 : x
  2. Step 2: Convert to fraction form
    112,813,057.71/155,624,715.66 = 73,677,742.47/x
  3. Step 3: Cross multiply
    112,813,057.71x = 155,624,715.66 × 73,677,742.47
  4. Step 4: Simplify right side
    112,813,057.71x = 11,466,077,722,364,456
  5. Step 5: Solve for x
    x = 11,466,077,722,364,456/112,813,057.71
  6. Step 6: Final answer
    x = 101,637,859.62

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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.