Home / 188,985,429.40-260,799,838.12-102,065,301.40

Finding the Fourth Proportional to 188,985,429.40, 260,799,838.12 and 102,065,301.40

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Solution

The fourth proportional to 188,985,429.40, 260,799,838.12 and 102,065,301.40 is: 140,850,086.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,985,429.40 : 260,799,838.12 = 102,065,301.40 : x
  2. Step 2: Convert to fraction form
    188,985,429.40/260,799,838.12 = 102,065,301.40/x
  3. Step 3: Cross multiply
    188,985,429.40x = 260,799,838.12 × 102,065,301.40
  4. Step 4: Simplify right side
    188,985,429.40x = 26,618,614,082,789,012
  5. Step 5: Solve for x
    x = 26,618,614,082,789,012/188,985,429.40
  6. Step 6: Final answer
    x = 140,850,086.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.