Home / 345,608,499.24-518,413,247.80-141,136,574.49

Finding the Fourth Proportional to 345,608,499.24, 518,413,247.80 and 141,136,574.49

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Solution

The fourth proportional to 345,608,499.24, 518,413,247.80 and 141,136,574.49 is: 211,705,065.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,608,499.24 : 518,413,247.80 = 141,136,574.49 : x
  2. Step 2: Convert to fraction form
    345,608,499.24/518,413,247.80 = 141,136,574.49/x
  3. Step 3: Cross multiply
    345,608,499.24x = 518,413,247.80 × 141,136,574.49
  4. Step 4: Simplify right side
    345,608,499.24x = 73,167,069,962,135,472
  5. Step 5: Solve for x
    x = 73,167,069,962,135,472/345,608,499.24
  6. Step 6: Final answer
    x = 211,705,065.48

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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.