Home / 65,898,888.64-90,935,878.88-36,529,938.88

Finding the Fourth Proportional to 65,898,888.64, 90,935,878.88 and 36,529,938.88

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Solution

The fourth proportional to 65,898,888.64, 90,935,878.88 and 36,529,938.88 is: 50,408,772.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,898,888.64 : 90,935,878.88 = 36,529,938.88 : x
  2. Step 2: Convert to fraction form
    65,898,888.64/90,935,878.88 = 36,529,938.88/x
  3. Step 3: Cross multiply
    65,898,888.64x = 90,935,878.88 × 36,529,938.88
  4. Step 4: Simplify right side
    65,898,888.64x = 3,321,882,097,485,483
  5. Step 5: Solve for x
    x = 3,321,882,097,485,483/65,898,888.64
  6. Step 6: Final answer
    x = 50,408,772.68

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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.