Home / 81,835,436.16-112,932,345.60-45,166,006.08

Finding the Fourth Proportional to 81,835,436.16, 112,932,345.60 and 45,166,006.08

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Solution

The fourth proportional to 81,835,436.16, 112,932,345.60 and 45,166,006.08 is: 62,328,781.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,835,436.16 : 112,932,345.60 = 45,166,006.08 : x
  2. Step 2: Convert to fraction form
    81,835,436.16/112,932,345.60 = 45,166,006.08/x
  3. Step 3: Cross multiply
    81,835,436.16x = 112,932,345.60 × 45,166,006.08
  4. Step 4: Simplify right side
    81,835,436.16x = 5,100,703,007,998,261
  5. Step 5: Solve for x
    x = 5,100,703,007,998,261/81,835,436.16
  6. Step 6: Final answer
    x = 62,328,781.36

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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.