Home / 123,670,402.30-185,505,603.45-42,891,370.30

Finding the Fourth Proportional to 123,670,402.30, 185,505,603.45 and 42,891,370.30

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Solution

The fourth proportional to 123,670,402.30, 185,505,603.45 and 42,891,370.30 is: 64,337,055.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,670,402.30 : 185,505,603.45 = 42,891,370.30 : x
  2. Step 2: Convert to fraction form
    123,670,402.30/185,505,603.45 = 42,891,370.30/x
  3. Step 3: Cross multiply
    123,670,402.30x = 185,505,603.45 × 42,891,370.30
  4. Step 4: Simplify right side
    123,670,402.30x = 7,956,589,530,298,906
  5. Step 5: Solve for x
    x = 7,956,589,530,298,906/123,670,402.30
  6. Step 6: Final answer
    x = 64,337,055.45

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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.