Home / 181,877,172.83-273,009,968.45-78,297,645.47

Finding the Fourth Proportional to 181,877,172.83, 273,009,968.45 and 78,297,645.47

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Solution

The fourth proportional to 181,877,172.83, 273,009,968.45 and 78,297,645.47 is: 117,530,074.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,877,172.83 : 273,009,968.45 = 78,297,645.47 : x
  2. Step 2: Convert to fraction form
    181,877,172.83/273,009,968.45 = 78,297,645.47/x
  3. Step 3: Cross multiply
    181,877,172.83x = 273,009,968.45 × 78,297,645.47
  4. Step 4: Simplify right side
    181,877,172.83x = 21,376,037,719,473,984
  5. Step 5: Solve for x
    x = 21,376,037,719,473,984/181,877,172.83
  6. Step 6: Final answer
    x = 117,530,074.76

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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.