Home / 117,035,252.78-161,508,645.89-64,827,651.48

Finding the Fourth Proportional to 117,035,252.78, 161,508,645.89 and 64,827,651.48

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Solution

The fourth proportional to 117,035,252.78, 161,508,645.89 and 64,827,651.48 is: 89,462,157.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,035,252.78 : 161,508,645.89 = 64,827,651.48 : x
  2. Step 2: Convert to fraction form
    117,035,252.78/161,508,645.89 = 64,827,651.48/x
  3. Step 3: Cross multiply
    117,035,252.78x = 161,508,645.89 × 64,827,651.48
  4. Step 4: Simplify right side
    117,035,252.78x = 10,470,226,206,763,652
  5. Step 5: Solve for x
    x = 10,470,226,206,763,652/117,035,252.78
  6. Step 6: Final answer
    x = 89,462,157.41

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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.