Home / 214,496,538-321,696,924.12-99,466,133.28

Finding the Fourth Proportional to 214,496,538, 321,696,924.12 and 99,466,133.28

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Solution

The fourth proportional to 214,496,538, 321,696,924.12 and 99,466,133.28 is: 149,176,995.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,496,538 : 321,696,924.12 = 99,466,133.28 : x
  2. Step 2: Convert to fraction form
    214,496,538/321,696,924.12 = 99,466,133.28/x
  3. Step 3: Cross multiply
    214,496,538x = 321,696,924.12 × 99,466,133.28
  4. Step 4: Simplify right side
    214,496,538x = 31,997,949,130,285,968
  5. Step 5: Solve for x
    x = 31,997,949,130,285,968/214,496,538
  6. Step 6: Final answer
    x = 149,176,995.72

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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.