Home / 282,104,869.04-389,291,615.16-156,665,029.04

Finding the Fourth Proportional to 282,104,869.04, 389,291,615.16 and 156,665,029.04

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Solution

The fourth proportional to 282,104,869.04, 389,291,615.16 and 156,665,029.04 is: 216,190,462.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,104,869.04 : 389,291,615.16 = 156,665,029.04 : x
  2. Step 2: Convert to fraction form
    282,104,869.04/389,291,615.16 = 156,665,029.04/x
  3. Step 3: Cross multiply
    282,104,869.04x = 389,291,615.16 × 156,665,029.04
  4. Step 4: Simplify right side
    282,104,869.04x = 60,988,382,194,069,904
  5. Step 5: Solve for x
    x = 60,988,382,194,069,904/282,104,869.04
  6. Step 6: Final answer
    x = 216,190,462.79

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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.