Home / 117,954,453.12-162,777,905.28-65,746,803.84

Finding the Fourth Proportional to 117,954,453.12, 162,777,905.28 and 65,746,803.84

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Solution

The fourth proportional to 117,954,453.12, 162,777,905.28 and 65,746,803.84 is: 90,731,012.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,954,453.12 : 162,777,905.28 = 65,746,803.84 : x
  2. Step 2: Convert to fraction form
    117,954,453.12/162,777,905.28 = 65,746,803.84/x
  3. Step 3: Cross multiply
    117,954,453.12x = 162,777,905.28 × 65,746,803.84
  4. Step 4: Simplify right side
    117,954,453.12x = 10,702,127,007,930,260
  5. Step 5: Solve for x
    x = 10,702,127,007,930,260/117,954,453.12
  6. Step 6: Final answer
    x = 90,731,012.90

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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.