Home / 223,417,802.75-308,188,180.40-139,640,539.32

Finding the Fourth Proportional to 223,417,802.75, 308,188,180.40 and 139,640,539.32

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Solution

The fourth proportional to 223,417,802.75, 308,188,180.40 and 139,640,539.32 is: 192,623,699.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,417,802.75 : 308,188,180.40 = 139,640,539.32 : x
  2. Step 2: Convert to fraction form
    223,417,802.75/308,188,180.40 = 139,640,539.32/x
  3. Step 3: Cross multiply
    223,417,802.75x = 308,188,180.40 × 139,640,539.32
  4. Step 4: Simplify right side
    223,417,802.75x = 43,035,563,722,407,248
  5. Step 5: Solve for x
    x = 43,035,563,722,407,248/223,417,802.75
  6. Step 6: Final answer
    x = 192,623,699.61

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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.