Home / 149,781,842.64-206,699,222.91-83,702,340.97

Finding the Fourth Proportional to 149,781,842.64, 206,699,222.91 and 83,702,340.97

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Solution

The fourth proportional to 149,781,842.64, 206,699,222.91 and 83,702,340.97 is: 115,509,387.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,781,842.64 : 206,699,222.91 = 83,702,340.97 : x
  2. Step 2: Convert to fraction form
    149,781,842.64/206,699,222.91 = 83,702,340.97/x
  3. Step 3: Cross multiply
    149,781,842.64x = 206,699,222.91 × 83,702,340.97
  4. Step 4: Simplify right side
    149,781,842.64x = 17,301,208,834,246,856
  5. Step 5: Solve for x
    x = 17,301,208,834,246,856/149,781,842.64
  6. Step 6: Final answer
    x = 115,509,387.05

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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.