Home / 151,781,132.58-209,457,918.81-82,166,462.34

Finding the Fourth Proportional to 151,781,132.58, 209,457,918.81 and 82,166,462.34

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Solution

The fourth proportional to 151,781,132.58, 209,457,918.81 and 82,166,462.34 is: 113,389,694.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,781,132.58 : 209,457,918.81 = 82,166,462.34 : x
  2. Step 2: Convert to fraction form
    151,781,132.58/209,457,918.81 = 82,166,462.34/x
  3. Step 3: Cross multiply
    151,781,132.58x = 209,457,918.81 × 82,166,462.34
  4. Step 4: Simplify right side
    151,781,132.58x = 17,210,416,197,716,644
  5. Step 5: Solve for x
    x = 17,210,416,197,716,644/151,781,132.58
  6. Step 6: Final answer
    x = 113,389,694.13

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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.