Home / 139,149,977.22-208,690,477.11-47,031,670.17

Finding the Fourth Proportional to 139,149,977.22, 208,690,477.11 and 47,031,670.17

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Solution

The fourth proportional to 139,149,977.22, 208,690,477.11 and 47,031,670.17 is: 70,535,848.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,149,977.22 : 208,690,477.11 = 47,031,670.17 : x
  2. Step 2: Convert to fraction form
    139,149,977.22/208,690,477.11 = 47,031,670.17/x
  3. Step 3: Cross multiply
    139,149,977.22x = 208,690,477.11 × 47,031,670.17
  4. Step 4: Simplify right side
    139,149,977.22x = 9,815,061,687,057,456
  5. Step 5: Solve for x
    x = 9,815,061,687,057,456/139,149,977.22
  6. Step 6: Final answer
    x = 70,535,848.32

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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.