Home / 81,369,804.49-112,245,605.31-51,545,834.02

Finding the Fourth Proportional to 81,369,804.49, 112,245,605.31 and 51,545,834.02

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Solution

The fourth proportional to 81,369,804.49, 112,245,605.31 and 51,545,834.02 is: 71,104,918.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,369,804.49 : 112,245,605.31 = 51,545,834.02 : x
  2. Step 2: Convert to fraction form
    81,369,804.49/112,245,605.31 = 51,545,834.02/x
  3. Step 3: Cross multiply
    81,369,804.49x = 112,245,605.31 × 51,545,834.02
  4. Step 4: Simplify right side
    81,369,804.49x = 5,785,793,341,117,295
  5. Step 5: Solve for x
    x = 5,785,793,341,117,295/81,369,804.49
  6. Step 6: Final answer
    x = 71,104,918.80

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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.