Home / 163,377,028.05-225,460,334.21-89,037,606.21

Finding the Fourth Proportional to 163,377,028.05, 225,460,334.21 and 89,037,606.21

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Solution

The fourth proportional to 163,377,028.05, 225,460,334.21 and 89,037,606.21 is: 122,871,915.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,377,028.05 : 225,460,334.21 = 89,037,606.21 : x
  2. Step 2: Convert to fraction form
    163,377,028.05/225,460,334.21 = 89,037,606.21/x
  3. Step 3: Cross multiply
    163,377,028.05x = 225,460,334.21 × 89,037,606.21
  4. Step 4: Simplify right side
    163,377,028.05x = 20,074,448,453,364,972
  5. Step 5: Solve for x
    x = 20,074,448,453,364,972/163,377,028.05
  6. Step 6: Final answer
    x = 122,871,915.92

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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.