Home / 107,168,115.05-147,975,303.28-82,349,180.65

Finding the Fourth Proportional to 107,168,115.05, 147,975,303.28 and 82,349,180.65

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Solution

The fourth proportional to 107,168,115.05, 147,975,303.28 and 82,349,180.65 is: 113,705,881.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,168,115.05 : 147,975,303.28 = 82,349,180.65 : x
  2. Step 2: Convert to fraction form
    107,168,115.05/147,975,303.28 = 82,349,180.65/x
  3. Step 3: Cross multiply
    107,168,115.05x = 147,975,303.28 × 82,349,180.65
  4. Step 4: Simplify right side
    107,168,115.05x = 12,185,644,980,803,380
  5. Step 5: Solve for x
    x = 12,185,644,980,803,380/107,168,115.05
  6. Step 6: Final answer
    x = 113,705,881.42

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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.