Home / 145,156,906.80-217,231,475.40-133,063,671.60

Finding the Fourth Proportional to 145,156,906.80, 217,231,475.40 and 133,063,671.60

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Solution

The fourth proportional to 145,156,906.80, 217,231,475.40 and 133,063,671.60 is: 199,133,601.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,156,906.80 : 217,231,475.40 = 133,063,671.60 : x
  2. Step 2: Convert to fraction form
    145,156,906.80/217,231,475.40 = 133,063,671.60/x
  3. Step 3: Cross multiply
    145,156,906.80x = 217,231,475.40 × 133,063,671.60
  4. Step 4: Simplify right side
    145,156,906.80x = 28,905,617,703,809,080
  5. Step 5: Solve for x
    x = 28,905,617,703,809,080/145,156,906.80
  6. Step 6: Final answer
    x = 199,133,601.98

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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.