Home / 169,018,809.89-253,564,587.88-52,431,842.21

Finding the Fourth Proportional to 169,018,809.89, 253,564,587.88 and 52,431,842.21

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Solution

The fourth proportional to 169,018,809.89, 253,564,587.88 and 52,431,842.21 is: 78,659,046.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,018,809.89 : 253,564,587.88 = 52,431,842.21 : x
  2. Step 2: Convert to fraction form
    169,018,809.89/253,564,587.88 = 52,431,842.21/x
  3. Step 3: Cross multiply
    169,018,809.89x = 253,564,587.88 × 52,431,842.21
  4. Step 4: Simplify right side
    169,018,809.89x = 13,294,858,460,368,936
  5. Step 5: Solve for x
    x = 13,294,858,460,368,936/169,018,809.89
  6. Step 6: Final answer
    x = 78,659,046.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.