Home / 201,845,652.30-278,547,111.90-109,026,160.13

Finding the Fourth Proportional to 201,845,652.30, 278,547,111.90 and 109,026,160.13

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Solution

The fourth proportional to 201,845,652.30, 278,547,111.90 and 109,026,160.13 is: 150,456,161.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,845,652.30 : 278,547,111.90 = 109,026,160.13 : x
  2. Step 2: Convert to fraction form
    201,845,652.30/278,547,111.90 = 109,026,160.13/x
  3. Step 3: Cross multiply
    201,845,652.30x = 278,547,111.90 × 109,026,160.13
  4. Step 4: Simplify right side
    201,845,652.30x = 30,368,922,026,454,792
  5. Step 5: Solve for x
    x = 30,368,922,026,454,792/201,845,652.30
  6. Step 6: Final answer
    x = 150,456,161.33

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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.