Home / 117,102,778.39-161,602,791.02-64,892,686.15

Finding the Fourth Proportional to 117,102,778.39, 161,602,791.02 and 64,892,686.15

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Solution

The fourth proportional to 117,102,778.39, 161,602,791.02 and 64,892,686.15 is: 89,552,437.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,102,778.39 : 161,602,791.02 = 64,892,686.15 : x
  2. Step 2: Convert to fraction form
    117,102,778.39/161,602,791.02 = 64,892,686.15/x
  3. Step 3: Cross multiply
    117,102,778.39x = 161,602,791.02 × 64,892,686.15
  4. Step 4: Simplify right side
    117,102,778.39x = 10,486,839,198,624,898
  5. Step 5: Solve for x
    x = 10,486,839,198,624,898/117,102,778.39
  6. Step 6: Final answer
    x = 89,552,437.12

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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.