Home / 282,153,191.21-389,372,305.94-156,705,364.39

Finding the Fourth Proportional to 282,153,191.21, 389,372,305.94 and 156,705,364.39

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Solution

The fourth proportional to 282,153,191.21, 389,372,305.94 and 156,705,364.39 is: 216,253,903.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,153,191.21 : 389,372,305.94 = 156,705,364.39 : x
  2. Step 2: Convert to fraction form
    282,153,191.21/389,372,305.94 = 156,705,364.39/x
  3. Step 3: Cross multiply
    282,153,191.21x = 389,372,305.94 × 156,705,364.39
  4. Step 4: Simplify right side
    282,153,191.21x = 61,016,729,085,264,976
  5. Step 5: Solve for x
    x = 61,016,729,085,264,976/282,153,191.21
  6. Step 6: Final answer
    x = 216,253,903.86

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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.