Home / 148,142,570.40-204,434,011.89-82,061,618.75

Finding the Fourth Proportional to 148,142,570.40, 204,434,011.89 and 82,061,618.75

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Solution

The fourth proportional to 148,142,570.40, 204,434,011.89 and 82,061,618.75 is: 113,243,518.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,142,570.40 : 204,434,011.89 = 82,061,618.75 : x
  2. Step 2: Convert to fraction form
    148,142,570.40/204,434,011.89 = 82,061,618.75/x
  3. Step 3: Cross multiply
    148,142,570.40x = 204,434,011.89 × 82,061,618.75
  4. Step 4: Simplify right side
    148,142,570.40x = 16,776,185,942,433,132
  5. Step 5: Solve for x
    x = 16,776,185,942,433,132/148,142,570.40
  6. Step 6: Final answer
    x = 113,243,518.71

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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.