Home / 161,208,794.85-222,468,196.73-91,594,267.17

Finding the Fourth Proportional to 161,208,794.85, 222,468,196.73 and 91,594,267.17

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Solution

The fourth proportional to 161,208,794.85, 222,468,196.73 and 91,594,267.17 is: 126,400,122.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,208,794.85 : 222,468,196.73 = 91,594,267.17 : x
  2. Step 2: Convert to fraction form
    161,208,794.85/222,468,196.73 = 91,594,267.17/x
  3. Step 3: Cross multiply
    161,208,794.85x = 222,468,196.73 × 91,594,267.17
  4. Step 4: Simplify right side
    161,208,794.85x = 20,376,811,447,657,768
  5. Step 5: Solve for x
    x = 20,376,811,447,657,768/161,208,794.85
  6. Step 6: Final answer
    x = 126,400,122.69

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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.