Home / 99,453,128.10-149,202,770.46-31,294,048.38

Finding the Fourth Proportional to 99,453,128.10, 149,202,770.46 and 31,294,048.38

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Solution

The fourth proportional to 99,453,128.10, 149,202,770.46 and 31,294,048.38 is: 46,948,334.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,453,128.10 : 149,202,770.46 = 31,294,048.38 : x
  2. Step 2: Convert to fraction form
    99,453,128.10/149,202,770.46 = 31,294,048.38/x
  3. Step 3: Cross multiply
    99,453,128.10x = 149,202,770.46 × 31,294,048.38
  4. Step 4: Simplify right side
    99,453,128.10x = 4,669,158,717,205,275
  5. Step 5: Solve for x
    x = 4,669,158,717,205,275/99,453,128.10
  6. Step 6: Final answer
    x = 46,948,334.42

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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.