Home / 117,702,231.17-162,428,926.83-73,031,588.96

Finding the Fourth Proportional to 117,702,231.17, 162,428,926.83 and 73,031,588.96

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Solution

The fourth proportional to 117,702,231.17, 162,428,926.83 and 73,031,588.96 is: 100,783,498.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,702,231.17 : 162,428,926.83 = 73,031,588.96 : x
  2. Step 2: Convert to fraction form
    117,702,231.17/162,428,926.83 = 73,031,588.96/x
  3. Step 3: Cross multiply
    117,702,231.17x = 162,428,926.83 × 73,031,588.96
  4. Step 4: Simplify right side
    117,702,231.17x = 11,862,442,619,462,476
  5. Step 5: Solve for x
    x = 11,862,442,619,462,476/117,702,231.17
  6. Step 6: Final answer
    x = 100,783,498.34

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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.