Home / 154,809,793.86-213,637,550.73-85,195,174.74

Finding the Fourth Proportional to 154,809,793.86, 213,637,550.73 and 85,195,174.74

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Solution

The fourth proportional to 154,809,793.86, 213,637,550.73 and 85,195,174.74 is: 117,569,360.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,809,793.86 : 213,637,550.73 = 85,195,174.74 : x
  2. Step 2: Convert to fraction form
    154,809,793.86/213,637,550.73 = 85,195,174.74/x
  3. Step 3: Cross multiply
    154,809,793.86x = 213,637,550.73 × 85,195,174.74
  4. Step 4: Simplify right side
    154,809,793.86x = 18,200,888,465,667,988
  5. Step 5: Solve for x
    x = 18,200,888,465,667,988/154,809,793.86
  6. Step 6: Final answer
    x = 117,569,360.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.