Home / 81,835,436.66-112,932,346.29-45,166,006.58

Finding the Fourth Proportional to 81,835,436.66, 112,932,346.29 and 45,166,006.58

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Solution

The fourth proportional to 81,835,436.66, 112,932,346.29 and 45,166,006.58 is: 62,328,782.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,835,436.66 : 112,932,346.29 = 45,166,006.58 : x
  2. Step 2: Convert to fraction form
    81,835,436.66/112,932,346.29 = 45,166,006.58/x
  3. Step 3: Cross multiply
    81,835,436.66x = 112,932,346.29 × 45,166,006.58
  4. Step 4: Simplify right side
    81,835,436.66x = 5,100,703,095,628,979
  5. Step 5: Solve for x
    x = 5,100,703,095,628,979/81,835,436.66
  6. Step 6: Final answer
    x = 62,328,782.05

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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.