Home / 127,894,807.20-191,621,761.20-59,597,421.60

Finding the Fourth Proportional to 127,894,807.20, 191,621,761.20 and 59,597,421.60

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Solution

The fourth proportional to 127,894,807.20, 191,621,761.20 and 59,597,421.60 is: 89,293,405.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,894,807.20 : 191,621,761.20 = 59,597,421.60 : x
  2. Step 2: Convert to fraction form
    127,894,807.20/191,621,761.20 = 59,597,421.60/x
  3. Step 3: Cross multiply
    127,894,807.20x = 191,621,761.20 × 59,597,421.60
  4. Step 4: Simplify right side
    127,894,807.20x = 11,420,162,889,970,922
  5. Step 5: Solve for x
    x = 11,420,162,889,970,922/127,894,807.20
  6. Step 6: Final answer
    x = 89,293,405.57

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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.