Home / 148,660,938.36-205,184,884.32-82,604,134.26

Finding the Fourth Proportional to 148,660,938.36, 205,184,884.32 and 82,604,134.26

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Solution

The fourth proportional to 148,660,938.36, 205,184,884.32 and 82,604,134.26 is: 114,011,924.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,660,938.36 : 205,184,884.32 = 82,604,134.26 : x
  2. Step 2: Convert to fraction form
    148,660,938.36/205,184,884.32 = 82,604,134.26/x
  3. Step 3: Cross multiply
    148,660,938.36x = 205,184,884.32 × 82,604,134.26
  4. Step 4: Simplify right side
    148,660,938.36x = 16,949,119,732,491,850
  5. Step 5: Solve for x
    x = 16,949,119,732,491,850/148,660,938.36
  6. Step 6: Final answer
    x = 114,011,924.85

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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.