Home / 172,627,276.80-258,907,737.60-51,462,681.60

Finding the Fourth Proportional to 172,627,276.80, 258,907,737.60 and 51,462,681.60

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Solution

The fourth proportional to 172,627,276.80, 258,907,737.60 and 51,462,681.60 is: 77,184,131.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,627,276.80 : 258,907,737.60 = 51,462,681.60 : x
  2. Step 2: Convert to fraction form
    172,627,276.80/258,907,737.60 = 51,462,681.60/x
  3. Step 3: Cross multiply
    172,627,276.80x = 258,907,737.60 × 51,462,681.60
  4. Step 4: Simplify right side
    172,627,276.80x = 13,324,086,463,885,148
  5. Step 5: Solve for x
    x = 13,324,086,463,885,148/172,627,276.80
  6. Step 6: Final answer
    x = 77,184,131.68

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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.