Home / 345,608,490.87-518,413,235.25-141,136,566.12

Finding the Fourth Proportional to 345,608,490.87, 518,413,235.25 and 141,136,566.12

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Solution

The fourth proportional to 345,608,490.87, 518,413,235.25 and 141,136,566.12 is: 211,705,052.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,608,490.87 : 518,413,235.25 = 141,136,566.12 : x
  2. Step 2: Convert to fraction form
    345,608,490.87/518,413,235.25 = 141,136,566.12/x
  3. Step 3: Cross multiply
    345,608,490.87x = 518,413,235.25 × 141,136,566.12
  4. Step 4: Simplify right side
    345,608,490.87x = 73,167,063,852,622,672
  5. Step 5: Solve for x
    x = 73,167,063,852,622,672/345,608,490.87
  6. Step 6: Final answer
    x = 211,705,052.93

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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.