Home / 152,501,465.96-210,456,462.22-86,419,766.96

Finding the Fourth Proportional to 152,501,465.96, 210,456,462.22 and 86,419,766.96

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Solution

The fourth proportional to 152,501,465.96, 210,456,462.22 and 86,419,766.96 is: 119,261,794.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,501,465.96 : 210,456,462.22 = 86,419,766.96 : x
  2. Step 2: Convert to fraction form
    152,501,465.96/210,456,462.22 = 86,419,766.96/x
  3. Step 3: Cross multiply
    152,501,465.96x = 210,456,462.22 × 86,419,766.96
  4. Step 4: Simplify right side
    152,501,465.96x = 18,187,598,420,431,660
  5. Step 5: Solve for x
    x = 18,187,598,420,431,660/152,501,465.96
  6. Step 6: Final answer
    x = 119,261,794.02

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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.