Home / 152,521,354.66-210,479,605.06-82,906,735.55

Finding the Fourth Proportional to 152,521,354.66, 210,479,605.06 and 82,906,735.55

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Solution

The fourth proportional to 152,521,354.66, 210,479,605.06 and 82,906,735.55 is: 114,411,368.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,521,354.66 : 210,479,605.06 = 82,906,735.55 : x
  2. Step 2: Convert to fraction form
    152,521,354.66/210,479,605.06 = 82,906,735.55/x
  3. Step 3: Cross multiply
    152,521,354.66x = 210,479,605.06 × 82,906,735.55
  4. Step 4: Simplify right side
    152,521,354.66x = 17,450,176,955,377,862
  5. Step 5: Solve for x
    x = 17,450,176,955,377,862/152,521,354.66
  6. Step 6: Final answer
    x = 114,411,368.78

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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.