Home / 163,831,406.21-226,088,111.16-89,492,998.09

Finding the Fourth Proportional to 163,831,406.21, 226,088,111.16 and 89,492,998.09

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Solution

The fourth proportional to 163,831,406.21, 226,088,111.16 and 89,492,998.09 is: 123,500,758.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,831,406.21 : 226,088,111.16 = 89,492,998.09 : x
  2. Step 2: Convert to fraction form
    163,831,406.21/226,088,111.16 = 89,492,998.09/x
  3. Step 3: Cross multiply
    163,831,406.21x = 226,088,111.16 × 89,492,998.09
  4. Step 4: Simplify right side
    163,831,406.21x = 20,233,302,899,819,916
  5. Step 5: Solve for x
    x = 20,233,302,899,819,916/163,831,406.21
  6. Step 6: Final answer
    x = 123,500,758.29

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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.