Home / 201,845,780.15-278,547,283.35-109,026,287.82

Finding the Fourth Proportional to 201,845,780.15, 278,547,283.35 and 109,026,287.82

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Solution

The fourth proportional to 201,845,780.15, 278,547,283.35 and 109,026,287.82 is: 150,456,334.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,845,780.15 : 278,547,283.35 = 109,026,287.82 : x
  2. Step 2: Convert to fraction form
    201,845,780.15/278,547,283.35 = 109,026,287.82/x
  3. Step 3: Cross multiply
    201,845,780.15x = 278,547,283.35 × 109,026,287.82
  4. Step 4: Simplify right side
    201,845,780.15x = 30,368,976,285,996,196
  5. Step 5: Solve for x
    x = 30,368,976,285,996,196/201,845,780.15
  6. Step 6: Final answer
    x = 150,456,334.85

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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.