Home / 101,122,020.08-139,508,682.63-58,728,362.87

Finding the Fourth Proportional to 101,122,020.08, 139,508,682.63 and 58,728,362.87

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Solution

The fourth proportional to 101,122,020.08, 139,508,682.63 and 58,728,362.87 is: 81,022,081.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,122,020.08 : 139,508,682.63 = 58,728,362.87 : x
  2. Step 2: Convert to fraction form
    101,122,020.08/139,508,682.63 = 58,728,362.87/x
  3. Step 3: Cross multiply
    101,122,020.08x = 139,508,682.63 × 58,728,362.87
  4. Step 4: Simplify right side
    101,122,020.08x = 8,193,116,536,684,750
  5. Step 5: Solve for x
    x = 8,193,116,536,684,750/101,122,020.08
  6. Step 6: Final answer
    x = 81,022,081.34

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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.