Home / 125,712,000.20-188,428,032.30-49,009,536.20

Finding the Fourth Proportional to 125,712,000.20, 188,428,032.30 and 49,009,536.20

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Solution

The fourth proportional to 125,712,000.20, 188,428,032.30 and 49,009,536.20 is: 73,459,736.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,712,000.20 : 188,428,032.30 = 49,009,536.20 : x
  2. Step 2: Convert to fraction form
    125,712,000.20/188,428,032.30 = 49,009,536.20/x
  3. Step 3: Cross multiply
    125,712,000.20x = 188,428,032.30 × 49,009,536.20
  4. Step 4: Simplify right side
    125,712,000.20x = 9,234,770,470,101,620
  5. Step 5: Solve for x
    x = 9,234,770,470,101,620/125,712,000.20
  6. Step 6: Final answer
    x = 73,459,736.98

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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.