Home / 82,221,673,758.96-123,308,584,349.48-31,845,871,849.90

Finding the Fourth Proportional to 82,221,673,758.96, 123,308,584,349.48 and 31,845,871,849.90

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Solution

The fourth proportional to 82,221,673,758.96, 123,308,584,349.48 and 31,845,871,849.90 is: 47,759,540,710.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,221,673,758.96 : 123,308,584,349.48 = 31,845,871,849.90 : x
  2. Step 2: Convert to fraction form
    82,221,673,758.96/123,308,584,349.48 = 31,845,871,849.90/x
  3. Step 3: Cross multiply
    82,221,673,758.96x = 123,308,584,349.48 × 31,845,871,849.90
  4. Step 4: Simplify right side
    82,221,673,758.96x = 3,926,869,375,186,124,668,928
  5. Step 5: Solve for x
    x = 3,926,869,375,186,124,668,928/82,221,673,758.96
  6. Step 6: Final answer
    x = 47,759,540,710.62

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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.