Home / 282,153,240.38-389,372,373.87-156,705,413.71

Finding the Fourth Proportional to 282,153,240.38, 389,372,373.87 and 156,705,413.71

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Solution

The fourth proportional to 282,153,240.38, 389,372,373.87 and 156,705,413.71 is: 216,253,971.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,153,240.38 : 389,372,373.87 = 156,705,413.71 : x
  2. Step 2: Convert to fraction form
    282,153,240.38/389,372,373.87 = 156,705,413.71/x
  3. Step 3: Cross multiply
    282,153,240.38x = 389,372,373.87 × 156,705,413.71
  4. Step 4: Simplify right side
    282,153,240.38x = 61,016,758,934,543,144
  5. Step 5: Solve for x
    x = 61,016,758,934,543,144/282,153,240.38
  6. Step 6: Final answer
    x = 216,253,971.96

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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.