Home / 282,153,192.21-389,372,307.32-156,705,365.39

Finding the Fourth Proportional to 282,153,192.21, 389,372,307.32 and 156,705,365.39

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Solution

The fourth proportional to 282,153,192.21, 389,372,307.32 and 156,705,365.39 is: 216,253,905.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,153,192.21 : 389,372,307.32 = 156,705,365.39 : x
  2. Step 2: Convert to fraction form
    282,153,192.21/389,372,307.32 = 156,705,365.39/x
  3. Step 3: Cross multiply
    282,153,192.21x = 389,372,307.32 × 156,705,365.39
  4. Step 4: Simplify right side
    282,153,192.21x = 61,016,729,691,327,968
  5. Step 5: Solve for x
    x = 61,016,729,691,327,968/282,153,192.21
  6. Step 6: Final answer
    x = 216,253,905.24

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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.