Home / 283,458,501.52-391,172,728.92-153,078,309.52

Finding the Fourth Proportional to 283,458,501.52, 391,172,728.92 and 153,078,309.52

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Solution

The fourth proportional to 283,458,501.52, 391,172,728.92 and 153,078,309.52 is: 211,248,065.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,458,501.52 : 391,172,728.92 = 153,078,309.52 : x
  2. Step 2: Convert to fraction form
    283,458,501.52/391,172,728.92 = 153,078,309.52/x
  3. Step 3: Cross multiply
    283,458,501.52x = 391,172,728.92 × 153,078,309.52
  4. Step 4: Simplify right side
    283,458,501.52x = 59,880,060,073,398,824
  5. Step 5: Solve for x
    x = 59,880,060,073,398,824/283,458,501.52
  6. Step 6: Final answer
    x = 211,248,065.42

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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.