Home / 161,208,845.60-222,468,266.76-91,594,317.92

Finding the Fourth Proportional to 161,208,845.60, 222,468,266.76 and 91,594,317.92

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Solution

The fourth proportional to 161,208,845.60, 222,468,266.76 and 91,594,317.92 is: 126,400,192.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,208,845.60 : 222,468,266.76 = 91,594,317.92 : x
  2. Step 2: Convert to fraction form
    161,208,845.60/222,468,266.76 = 91,594,317.92/x
  3. Step 3: Cross multiply
    161,208,845.60x = 222,468,266.76 × 91,594,317.92
  4. Step 4: Simplify right side
    161,208,845.60x = 20,376,829,152,726,808
  5. Step 5: Solve for x
    x = 20,376,829,152,726,808/161,208,845.60
  6. Step 6: Final answer
    x = 126,400,192.72

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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.