Home / 133,017,872.80-199,427,276.40-72,501,930.40

Finding the Fourth Proportional to 133,017,872.80, 199,427,276.40 and 72,501,930.40

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Solution

The fourth proportional to 133,017,872.80, 199,427,276.40 and 72,501,930.40 is: 108,698,644.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,017,872.80 : 199,427,276.40 = 72,501,930.40 : x
  2. Step 2: Convert to fraction form
    133,017,872.80/199,427,276.40 = 72,501,930.40/x
  3. Step 3: Cross multiply
    133,017,872.80x = 199,427,276.40 × 72,501,930.40
  4. Step 4: Simplify right side
    133,017,872.80x = 14,458,862,513,414,364
  5. Step 5: Solve for x
    x = 14,458,862,513,414,364/133,017,872.80
  6. Step 6: Final answer
    x = 108,698,644.84

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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.