Home / 77,491,604.58-116,237,551.59-72,756,464.46

Finding the Fourth Proportional to 77,491,604.58, 116,237,551.59 and 72,756,464.46

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Solution

The fourth proportional to 77,491,604.58, 116,237,551.59 and 72,756,464.46 is: 109,134,832.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,491,604.58 : 116,237,551.59 = 72,756,464.46 : x
  2. Step 2: Convert to fraction form
    77,491,604.58/116,237,551.59 = 72,756,464.46/x
  3. Step 3: Cross multiply
    77,491,604.58x = 116,237,551.59 × 72,756,464.46
  4. Step 4: Simplify right side
    77,491,604.58x = 8,457,033,291,175,251
  5. Step 5: Solve for x
    x = 8,457,033,291,175,251/77,491,604.58
  6. Step 6: Final answer
    x = 109,134,832.57

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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.