Home / 149,672,462.40-224,739,640.80-81,648,014.40

Finding the Fourth Proportional to 149,672,462.40, 224,739,640.80 and 81,648,014.40

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Solution

The fourth proportional to 149,672,462.40, 224,739,640.80 and 81,648,014.40 is: 122,598,005.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,672,462.40 : 224,739,640.80 = 81,648,014.40 : x
  2. Step 2: Convert to fraction form
    149,672,462.40/224,739,640.80 = 81,648,014.40/x
  3. Step 3: Cross multiply
    149,672,462.40x = 224,739,640.80 × 81,648,014.40
  4. Step 4: Simplify right side
    149,672,462.40x = 18,349,545,428,289,228
  5. Step 5: Solve for x
    x = 18,349,545,428,289,228/149,672,462.40
  6. Step 6: Final answer
    x = 122,598,005.90

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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.