Home / 161,208,768.10-222,468,159.81-91,594,240.42

Finding the Fourth Proportional to 161,208,768.10, 222,468,159.81 and 91,594,240.42

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Solution

The fourth proportional to 161,208,768.10, 222,468,159.81 and 91,594,240.42 is: 126,400,085.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,208,768.10 : 222,468,159.81 = 91,594,240.42 : x
  2. Step 2: Convert to fraction form
    161,208,768.10/222,468,159.81 = 91,594,240.42/x
  3. Step 3: Cross multiply
    161,208,768.10x = 222,468,159.81 × 91,594,240.42
  4. Step 4: Simplify right side
    161,208,768.10x = 20,376,802,115,432,124
  5. Step 5: Solve for x
    x = 20,376,802,115,432,124/161,208,768.10
  6. Step 6: Final answer
    x = 126,400,085.77

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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.