Home / 171,869,791.76-257,802,161.60-42,477,413.04

Finding the Fourth Proportional to 171,869,791.76, 257,802,161.60 and 42,477,413.04

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Solution

The fourth proportional to 171,869,791.76, 257,802,161.60 and 42,477,413.04 is: 63,715,495.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,869,791.76 : 257,802,161.60 = 42,477,413.04 : x
  2. Step 2: Convert to fraction form
    171,869,791.76/257,802,161.60 = 42,477,413.04/x
  3. Step 3: Cross multiply
    171,869,791.76x = 257,802,161.60 × 42,477,413.04
  4. Step 4: Simplify right side
    171,869,791.76x = 10,950,768,900,888,026
  5. Step 5: Solve for x
    x = 10,950,768,900,888,026/171,869,791.76
  6. Step 6: Final answer
    x = 63,715,495.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.