Home / 82,613,421,556.86-123,945,422,492.98-42,304,813,254.17

Finding the Fourth Proportional to 82,613,421,556.86, 123,945,422,492.98 and 42,304,813,254.17

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Solution

The fourth proportional to 82,613,421,556.86, 123,945,422,492.98 and 42,304,813,254.17 is: 63,470,170,505.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,613,421,556.86 : 123,945,422,492.98 = 42,304,813,254.17 : x
  2. Step 2: Convert to fraction form
    82,613,421,556.86/123,945,422,492.98 = 42,304,813,254.17/x
  3. Step 3: Cross multiply
    82,613,421,556.86x = 123,945,422,492.98 × 42,304,813,254.17
  4. Step 4: Simplify right side
    82,613,421,556.86x = 5,243,487,952,274,472,304,640
  5. Step 5: Solve for x
    x = 5,243,487,952,274,472,304,640/82,613,421,556.86
  6. Step 6: Final answer
    x = 63,470,170,505.72

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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.