Home / 282,355,911.96-389,660,609.82-156,913,395.54

Finding the Fourth Proportional to 282,355,911.96, 389,660,609.82 and 156,913,395.54

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Solution

The fourth proportional to 282,355,911.96, 389,660,609.82 and 156,913,395.54 is: 216,545,738.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,355,911.96 : 389,660,609.82 = 156,913,395.54 : x
  2. Step 2: Convert to fraction form
    282,355,911.96/389,660,609.82 = 156,913,395.54/x
  3. Step 3: Cross multiply
    282,355,911.96x = 389,660,609.82 × 156,913,395.54
  4. Step 4: Simplify right side
    282,355,911.96x = 61,142,969,395,043,264
  5. Step 5: Solve for x
    x = 61,142,969,395,043,264/282,355,911.96
  6. Step 6: Final answer
    x = 216,545,738.22

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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.