Home / 130,276,989.82-195,421,769.28-42,836,570.88

Finding the Fourth Proportional to 130,276,989.82, 195,421,769.28 and 42,836,570.88

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Solution

The fourth proportional to 130,276,989.82, 195,421,769.28 and 42,836,570.88 is: 64,256,922.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,276,989.82 : 195,421,769.28 = 42,836,570.88 : x
  2. Step 2: Convert to fraction form
    130,276,989.82/195,421,769.28 = 42,836,570.88/x
  3. Step 3: Cross multiply
    130,276,989.82x = 195,421,769.28 × 42,836,570.88
  4. Step 4: Simplify right side
    130,276,989.82x = 8,371,198,471,257,727
  5. Step 5: Solve for x
    x = 8,371,198,471,257,727/130,276,989.82
  6. Step 6: Final answer
    x = 64,256,922.75

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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.