Home / 194,305,417.17-291,538,685.11-85,074,208.53

Finding the Fourth Proportional to 194,305,417.17, 291,538,685.11 and 85,074,208.53

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Solution

The fourth proportional to 194,305,417.17, 291,538,685.11 and 85,074,208.53 is: 127,646,584.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,305,417.17 : 291,538,685.11 = 85,074,208.53 : x
  2. Step 2: Convert to fraction form
    194,305,417.17/291,538,685.11 = 85,074,208.53/x
  3. Step 3: Cross multiply
    194,305,417.17x = 291,538,685.11 × 85,074,208.53
  4. Step 4: Simplify right side
    194,305,417.17x = 24,802,422,891,610,148
  5. Step 5: Solve for x
    x = 24,802,422,891,610,148/194,305,417.17
  6. Step 6: Final answer
    x = 127,646,584.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.