Home / 149,672,458.90-224,739,635.55-81,648,010.90

Finding the Fourth Proportional to 149,672,458.90, 224,739,635.55 and 81,648,010.90

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Solution

The fourth proportional to 149,672,458.90, 224,739,635.55 and 81,648,010.90 is: 122,598,000.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,672,458.90 : 224,739,635.55 = 81,648,010.90 : x
  2. Step 2: Convert to fraction form
    149,672,458.90/224,739,635.55 = 81,648,010.90/x
  3. Step 3: Cross multiply
    149,672,458.90x = 224,739,635.55 × 81,648,010.90
  4. Step 4: Simplify right side
    149,672,458.90x = 18,349,544,213,048,428
  5. Step 5: Solve for x
    x = 18,349,544,213,048,428/149,672,458.90
  6. Step 6: Final answer
    x = 122,598,000.65

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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.