Home / 133,057,647.80-199,614,465.30-42,190,422.20

Finding the Fourth Proportional to 133,057,647.80, 199,614,465.30 and 42,190,422.20

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Solution

The fourth proportional to 133,057,647.80, 199,614,465.30 and 42,190,422.20 is: 63,294,509.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,057,647.80 : 199,614,465.30 = 42,190,422.20 : x
  2. Step 2: Convert to fraction form
    133,057,647.80/199,614,465.30 = 42,190,422.20/x
  3. Step 3: Cross multiply
    133,057,647.80x = 199,614,465.30 × 42,190,422.20
  4. Step 4: Simplify right side
    133,057,647.80x = 8,421,818,568,234,251
  5. Step 5: Solve for x
    x = 8,421,818,568,234,251/133,057,647.80
  6. Step 6: Final answer
    x = 63,294,509.62

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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.