Home / 195,354,688.80-292,780,090.80-149,690,128.80

Finding the Fourth Proportional to 195,354,688.80, 292,780,090.80 and 149,690,128.80

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Solution

The fourth proportional to 195,354,688.80, 292,780,090.80 and 149,690,128.80 is: 224,342,142.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,354,688.80 : 292,780,090.80 = 149,690,128.80 : x
  2. Step 2: Convert to fraction form
    195,354,688.80/292,780,090.80 = 149,690,128.80/x
  3. Step 3: Cross multiply
    195,354,688.80x = 292,780,090.80 × 149,690,128.80
  4. Step 4: Simplify right side
    195,354,688.80x = 43,826,289,501,927,704
  5. Step 5: Solve for x
    x = 43,826,289,501,927,704/195,354,688.80
  6. Step 6: Final answer
    x = 224,342,142.85

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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.