Home / 220,370,800.23-330,559,037.64-64,889,256.78

Finding the Fourth Proportional to 220,370,800.23, 330,559,037.64 and 64,889,256.78

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Solution

The fourth proportional to 220,370,800.23, 330,559,037.64 and 64,889,256.78 is: 97,334,720.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,370,800.23 : 330,559,037.64 = 64,889,256.78 : x
  2. Step 2: Convert to fraction form
    220,370,800.23/330,559,037.64 = 64,889,256.78/x
  3. Step 3: Cross multiply
    220,370,800.23x = 330,559,037.64 × 64,889,256.78
  4. Step 4: Simplify right side
    220,370,800.23x = 21,449,730,274,371,644
  5. Step 5: Solve for x
    x = 21,449,730,274,371,644/220,370,800.23
  6. Step 6: Final answer
    x = 97,334,720.63

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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.