Home / 283,458,494.37-391,172,718.96-153,078,302.37

Finding the Fourth Proportional to 283,458,494.37, 391,172,718.96 and 153,078,302.37

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Solution

The fourth proportional to 283,458,494.37, 391,172,718.96 and 153,078,302.37 is: 211,248,055.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,458,494.37 : 391,172,718.96 = 153,078,302.37 : x
  2. Step 2: Convert to fraction form
    283,458,494.37/391,172,718.96 = 153,078,302.37/x
  3. Step 3: Cross multiply
    283,458,494.37x = 391,172,718.96 × 153,078,302.37
  4. Step 4: Simplify right side
    283,458,494.37x = 59,880,055,751,853,912
  5. Step 5: Solve for x
    x = 59,880,055,751,853,912/283,458,494.37
  6. Step 6: Final answer
    x = 211,248,055.50

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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.