Home / 271,516,163.40-407,276,315.46-77,427,417.24

Finding the Fourth Proportional to 271,516,163.40, 407,276,315.46 and 77,427,417.24

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Solution

The fourth proportional to 271,516,163.40, 407,276,315.46 and 77,427,417.24 is: 116,141,716.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,516,163.40 : 407,276,315.46 = 77,427,417.24 : x
  2. Step 2: Convert to fraction form
    271,516,163.40/407,276,315.46 = 77,427,417.24/x
  3. Step 3: Cross multiply
    271,516,163.40x = 407,276,315.46 × 77,427,417.24
  4. Step 4: Simplify right side
    271,516,163.40x = 31,534,353,209,091,280
  5. Step 5: Solve for x
    x = 31,534,353,209,091,280/271,516,163.40
  6. Step 6: Final answer
    x = 116,141,716.26

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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.