Home / 201,845,770.66-278,547,270.24-109,026,278.32

Finding the Fourth Proportional to 201,845,770.66, 278,547,270.24 and 109,026,278.32

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Solution

The fourth proportional to 201,845,770.66, 278,547,270.24 and 109,026,278.32 is: 150,456,321.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,845,770.66 : 278,547,270.24 = 109,026,278.32 : x
  2. Step 2: Convert to fraction form
    201,845,770.66/278,547,270.24 = 109,026,278.32/x
  3. Step 3: Cross multiply
    201,845,770.66x = 278,547,270.24 × 109,026,278.32
  4. Step 4: Simplify right side
    201,845,770.66x = 30,368,972,210,462,492
  5. Step 5: Solve for x
    x = 30,368,972,210,462,492/201,845,770.66
  6. Step 6: Final answer
    x = 150,456,321.73

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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.