Home / 139,566,202.92-209,380,527.90-42,529,504.95

Finding the Fourth Proportional to 139,566,202.92, 209,380,527.90 and 42,529,504.95

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Solution

The fourth proportional to 139,566,202.92, 209,380,527.90 and 42,529,504.95 is: 63,803,772.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,566,202.92 : 209,380,527.90 = 42,529,504.95 : x
  2. Step 2: Convert to fraction form
    139,566,202.92/209,380,527.90 = 42,529,504.95/x
  3. Step 3: Cross multiply
    139,566,202.92x = 209,380,527.90 × 42,529,504.95
  4. Step 4: Simplify right side
    139,566,202.92x = 8,904,850,197,756,664
  5. Step 5: Solve for x
    x = 8,904,850,197,756,664/139,566,202.92
  6. Step 6: Final answer
    x = 63,803,772.06

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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.