Home / 123,777,176.80-185,665,765.20-112,298,051.20

Finding the Fourth Proportional to 123,777,176.80, 185,665,765.20 and 112,298,051.20

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Solution

The fourth proportional to 123,777,176.80, 185,665,765.20 and 112,298,051.20 is: 168,447,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,777,176.80 : 185,665,765.20 = 112,298,051.20 : x
  2. Step 2: Convert to fraction form
    123,777,176.80/185,665,765.20 = 112,298,051.20/x
  3. Step 3: Cross multiply
    123,777,176.80x = 185,665,765.20 × 112,298,051.20
  4. Step 4: Simplify right side
    123,777,176.80x = 20,849,903,606,516,776
  5. Step 5: Solve for x
    x = 20,849,903,606,516,776/123,777,176.80
  6. Step 6: Final answer
    x = 168,447,076.80

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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.