Home / 137,952,032.96-190,378,401.30-75,231,553.04

Finding the Fourth Proportional to 137,952,032.96, 190,378,401.30 and 75,231,553.04

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Solution

The fourth proportional to 137,952,032.96, 190,378,401.30 and 75,231,553.04 is: 103,822,049.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,952,032.96 : 190,378,401.30 = 75,231,553.04 : x
  2. Step 2: Convert to fraction form
    137,952,032.96/190,378,401.30 = 75,231,553.04/x
  3. Step 3: Cross multiply
    137,952,032.96x = 190,378,401.30 × 75,231,553.04
  4. Step 4: Simplify right side
    137,952,032.96x = 14,322,462,795,071,358
  5. Step 5: Solve for x
    x = 14,322,462,795,071,358/137,952,032.96
  6. Step 6: Final answer
    x = 103,822,049.50

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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.