Home / 151,781,099.01-209,457,872.24-82,166,428.23

Finding the Fourth Proportional to 151,781,099.01, 209,457,872.24 and 82,166,428.23

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Solution

The fourth proportional to 151,781,099.01, 209,457,872.24 and 82,166,428.23 is: 113,389,646.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,781,099.01 : 209,457,872.24 = 82,166,428.23 : x
  2. Step 2: Convert to fraction form
    151,781,099.01/209,457,872.24 = 82,166,428.23/x
  3. Step 3: Cross multiply
    151,781,099.01x = 209,457,872.24 × 82,166,428.23
  4. Step 4: Simplify right side
    151,781,099.01x = 17,210,405,226,205,640
  5. Step 5: Solve for x
    x = 17,210,405,226,205,640/151,781,099.01
  6. Step 6: Final answer
    x = 113,389,646.92

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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.