Home / 146,445,642.92-218,374,600.50-145,131,212.16

Finding the Fourth Proportional to 146,445,642.92, 218,374,600.50 and 145,131,212.16

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Solution

The fourth proportional to 146,445,642.92, 218,374,600.50 and 145,131,212.16 is: 216,414,567.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,445,642.92 : 218,374,600.50 = 145,131,212.16 : x
  2. Step 2: Convert to fraction form
    146,445,642.92/218,374,600.50 = 145,131,212.16/x
  3. Step 3: Cross multiply
    146,445,642.92x = 218,374,600.50 × 145,131,212.16
  4. Step 4: Simplify right side
    146,445,642.92x = 31,692,970,475,520,740
  5. Step 5: Solve for x
    x = 31,692,970,475,520,740/146,445,642.92
  6. Step 6: Final answer
    x = 216,414,567.50

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.