Home / 130,927,396.43-196,168,846.66-79,002,888.94

Finding the Fourth Proportional to 130,927,396.43, 196,168,846.66 and 79,002,888.94

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Solution

The fourth proportional to 130,927,396.43, 196,168,846.66 and 79,002,888.94 is: 118,370,226.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,927,396.43 : 196,168,846.66 = 79,002,888.94 : x
  2. Step 2: Convert to fraction form
    130,927,396.43/196,168,846.66 = 79,002,888.94/x
  3. Step 3: Cross multiply
    130,927,396.43x = 196,168,846.66 × 79,002,888.94
  4. Step 4: Simplify right side
    130,927,396.43x = 15,497,905,605,479,940
  5. Step 5: Solve for x
    x = 15,497,905,605,479,940/130,927,396.43
  6. Step 6: Final answer
    x = 118,370,226.77

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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.