Home / 48,428,392.80-66,793,391.10-31,026,357.24

Finding the Fourth Proportional to 48,428,392.80, 66,793,391.10 and 31,026,357.24

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Solution

The fourth proportional to 48,428,392.80, 66,793,391.10 and 31,026,357.24 is: 42,792,161.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,428,392.80 : 66,793,391.10 = 31,026,357.24 : x
  2. Step 2: Convert to fraction form
    48,428,392.80/66,793,391.10 = 31,026,357.24/x
  3. Step 3: Cross multiply
    48,428,392.80x = 66,793,391.10 × 31,026,357.24
  4. Step 4: Simplify right side
    48,428,392.80x = 2,072,355,613,539,636.50
  5. Step 5: Solve for x
    x = 2,072,355,613,539,636.50/48,428,392.80
  6. Step 6: Final answer
    x = 42,792,161.66

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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.