Home / 160,050,142.80-220,869,413.64-86,711,282.64

Finding the Fourth Proportional to 160,050,142.80, 220,869,413.64 and 86,711,282.64

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Solution

The fourth proportional to 160,050,142.80, 220,869,413.64 and 86,711,282.64 is: 119,661,687.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,050,142.80 : 220,869,413.64 = 86,711,282.64 : x
  2. Step 2: Convert to fraction form
    160,050,142.80/220,869,413.64 = 86,711,282.64/x
  3. Step 3: Cross multiply
    160,050,142.80x = 220,869,413.64 × 86,711,282.64
  4. Step 4: Simplify right side
    160,050,142.80x = 19,151,870,152,669,112
  5. Step 5: Solve for x
    x = 19,151,870,152,669,112/160,050,142.80
  6. Step 6: Final answer
    x = 119,661,687.38

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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.