Home / 139,028,561.70-208,542,842.55-106,842,920.10

Finding the Fourth Proportional to 139,028,561.70, 208,542,842.55 and 106,842,920.10

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Solution

The fourth proportional to 139,028,561.70, 208,542,842.55 and 106,842,920.10 is: 160,264,380.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,028,561.70 : 208,542,842.55 = 106,842,920.10 : x
  2. Step 2: Convert to fraction form
    139,028,561.70/208,542,842.55 = 106,842,920.10/x
  3. Step 3: Cross multiply
    139,028,561.70x = 208,542,842.55 × 106,842,920.10
  4. Step 4: Simplify right side
    139,028,561.70x = 22,281,326,263,996,532
  5. Step 5: Solve for x
    x = 22,281,326,263,996,532/139,028,561.70
  6. Step 6: Final answer
    x = 160,264,380.15

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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.