Home / 131,663,647.10-197,496,126.76-53,982,981.74

Finding the Fourth Proportional to 131,663,647.10, 197,496,126.76 and 53,982,981.74

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Solution

The fourth proportional to 131,663,647.10, 197,496,126.76 and 53,982,981.74 is: 80,974,741.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,663,647.10 : 197,496,126.76 = 53,982,981.74 : x
  2. Step 2: Convert to fraction form
    131,663,647.10/197,496,126.76 = 53,982,981.74/x
  3. Step 3: Cross multiply
    131,663,647.10x = 197,496,126.76 × 53,982,981.74
  4. Step 4: Simplify right side
    131,663,647.10x = 10,661,429,804,605,806
  5. Step 5: Solve for x
    x = 10,661,429,804,605,806/131,663,647.10
  6. Step 6: Final answer
    x = 80,974,741.62

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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.