Home / 282,153,323.76-389,372,489.13-156,705,497.16

Finding the Fourth Proportional to 282,153,323.76, 389,372,489.13 and 156,705,497.16

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Solution

The fourth proportional to 282,153,323.76, 389,372,489.13 and 156,705,497.16 is: 216,254,087.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,153,323.76 : 389,372,489.13 = 156,705,497.16 : x
  2. Step 2: Convert to fraction form
    282,153,323.76/389,372,489.13 = 156,705,497.16/x
  3. Step 3: Cross multiply
    282,153,323.76x = 389,372,489.13 × 156,705,497.16
  4. Step 4: Simplify right side
    282,153,323.76x = 61,016,809,489,543,344
  5. Step 5: Solve for x
    x = 61,016,809,489,543,344/282,153,323.76
  6. Step 6: Final answer
    x = 216,254,087.23

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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.