Home / 117,117,890.08-161,622,690.04-64,910,288.76

Finding the Fourth Proportional to 117,117,890.08, 161,622,690.04 and 64,910,288.76

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Solution

The fourth proportional to 117,117,890.08, 161,622,690.04 and 64,910,288.76 is: 89,576,199.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,117,890.08 : 161,622,690.04 = 64,910,288.76 : x
  2. Step 2: Convert to fraction form
    117,117,890.08/161,622,690.04 = 64,910,288.76/x
  3. Step 3: Cross multiply
    117,117,890.08x = 161,622,690.04 × 64,910,288.76
  4. Step 4: Simplify right side
    117,117,890.08x = 10,490,975,481,230,708
  5. Step 5: Solve for x
    x = 10,490,975,481,230,708/117,117,890.08
  6. Step 6: Final answer
    x = 89,576,199.46

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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.