Home / 131,495,681.70-197,243,522.55-54,873,699.30

Finding the Fourth Proportional to 131,495,681.70, 197,243,522.55 and 54,873,699.30

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Solution

The fourth proportional to 131,495,681.70, 197,243,522.55 and 54,873,699.30 is: 82,310,548.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,495,681.70 : 197,243,522.55 = 54,873,699.30 : x
  2. Step 2: Convert to fraction form
    131,495,681.70/197,243,522.55 = 54,873,699.30/x
  3. Step 3: Cross multiply
    131,495,681.70x = 197,243,522.55 × 54,873,699.30
  4. Step 4: Simplify right side
    131,495,681.70x = 10,823,481,745,281,470
  5. Step 5: Solve for x
    x = 10,823,481,745,281,470/131,495,681.70
  6. Step 6: Final answer
    x = 82,310,548.95

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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.