Home / 99,454,029.48-137,228,341.32-55,399,932

Finding the Fourth Proportional to 99,454,029.48, 137,228,341.32 and 55,399,932

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Solution

The fourth proportional to 99,454,029.48, 137,228,341.32 and 55,399,932 is: 76,441,757.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,454,029.48 : 137,228,341.32 = 55,399,932 : x
  2. Step 2: Convert to fraction form
    99,454,029.48/137,228,341.32 = 55,399,932/x
  3. Step 3: Cross multiply
    99,454,029.48x = 137,228,341.32 × 55,399,932
  4. Step 4: Simplify right side
    99,454,029.48x = 7,602,440,777,600,790
  5. Step 5: Solve for x
    x = 7,602,440,777,600,790/99,454,029.48
  6. Step 6: Final answer
    x = 76,441,757.24

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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.