Home / 201,845,781.65-278,547,285.42-109,026,289.32

Finding the Fourth Proportional to 201,845,781.65, 278,547,285.42 and 109,026,289.32

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Solution

The fourth proportional to 201,845,781.65, 278,547,285.42 and 109,026,289.32 is: 150,456,336.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,845,781.65 : 278,547,285.42 = 109,026,289.32 : x
  2. Step 2: Convert to fraction form
    201,845,781.65/278,547,285.42 = 109,026,289.32/x
  3. Step 3: Cross multiply
    201,845,781.65x = 278,547,285.42 × 109,026,289.32
  4. Step 4: Simplify right side
    201,845,781.65x = 30,368,976,929,501,536
  5. Step 5: Solve for x
    x = 30,368,976,929,501,536/201,845,781.65
  6. Step 6: Final answer
    x = 150,456,336.92

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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.