Home / 148,728,614.10-223,128,350.55-71,988,533.70

Finding the Fourth Proportional to 148,728,614.10, 223,128,350.55 and 71,988,533.70

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Solution

The fourth proportional to 148,728,614.10, 223,128,350.55 and 71,988,533.70 is: 107,999,949.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,728,614.10 : 223,128,350.55 = 71,988,533.70 : x
  2. Step 2: Convert to fraction form
    148,728,614.10/223,128,350.55 = 71,988,533.70/x
  3. Step 3: Cross multiply
    148,728,614.10x = 223,128,350.55 × 71,988,533.70
  4. Step 4: Simplify right side
    148,728,614.10x = 16,062,682,782,994,090
  5. Step 5: Solve for x
    x = 16,062,682,782,994,090/148,728,614.10
  6. Step 6: Final answer
    x = 107,999,949.30

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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.