Home / 149,538,467.40-224,538,648.30-81,514,019.40

Finding the Fourth Proportional to 149,538,467.40, 224,538,648.30 and 81,514,019.40

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Solution

The fourth proportional to 149,538,467.40, 224,538,648.30 and 81,514,019.40 is: 122,396,919.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,538,467.40 : 224,538,648.30 = 81,514,019.40 : x
  2. Step 2: Convert to fraction form
    149,538,467.40/224,538,648.30 = 81,514,019.40/x
  3. Step 3: Cross multiply
    149,538,467.40x = 224,538,648.30 × 81,514,019.40
  4. Step 4: Simplify right side
    149,538,467.40x = 18,303,047,733,575,980
  5. Step 5: Solve for x
    x = 18,303,047,733,575,980/149,538,467.40
  6. Step 6: Final answer
    x = 122,396,919.35

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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.