Home / 105,824,712.23-146,005,155.82-61,154,410.43

Finding the Fourth Proportional to 105,824,712.23, 146,005,155.82 and 61,154,410.43

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Solution

The fourth proportional to 105,824,712.23, 146,005,155.82 and 61,154,410.43 is: 84,374,046.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,824,712.23 : 146,005,155.82 = 61,154,410.43 : x
  2. Step 2: Convert to fraction form
    105,824,712.23/146,005,155.82 = 61,154,410.43/x
  3. Step 3: Cross multiply
    105,824,712.23x = 146,005,155.82 × 61,154,410.43
  4. Step 4: Simplify right side
    105,824,712.23x = 8,928,859,223,418,201
  5. Step 5: Solve for x
    x = 8,928,859,223,418,201/105,824,712.23
  6. Step 6: Final answer
    x = 84,374,046.81

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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.