Home / 258,609,115.80-387,913,673.70-161,674,277.40

Finding the Fourth Proportional to 258,609,115.80, 387,913,673.70 and 161,674,277.40

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Solution

The fourth proportional to 258,609,115.80, 387,913,673.70 and 161,674,277.40 is: 242,511,416.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,609,115.80 : 387,913,673.70 = 161,674,277.40 : x
  2. Step 2: Convert to fraction form
    258,609,115.80/387,913,673.70 = 161,674,277.40/x
  3. Step 3: Cross multiply
    258,609,115.80x = 387,913,673.70 × 161,674,277.40
  4. Step 4: Simplify right side
    258,609,115.80x = 62,715,662,889,026,888
  5. Step 5: Solve for x
    x = 62,715,662,889,026,888/258,609,115.80
  6. Step 6: Final answer
    x = 242,511,416.10

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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.