Home / 245,340,388.40-367,697,987.40-130,380,004.40

Finding the Fourth Proportional to 245,340,388.40, 367,697,987.40 and 130,380,004.40

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Solution

The fourth proportional to 245,340,388.40, 367,697,987.40 and 130,380,004.40 is: 195,403,885.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,340,388.40 : 367,697,987.40 = 130,380,004.40 : x
  2. Step 2: Convert to fraction form
    245,340,388.40/367,697,987.40 = 130,380,004.40/x
  3. Step 3: Cross multiply
    245,340,388.40x = 367,697,987.40 × 130,380,004.40
  4. Step 4: Simplify right side
    245,340,388.40x = 47,940,465,215,083,144
  5. Step 5: Solve for x
    x = 47,940,465,215,083,144/245,340,388.40
  6. Step 6: Final answer
    x = 195,403,885.71

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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.