Home / 268,786,792.06-402,852,639.93-139,323,027.58

Finding the Fourth Proportional to 268,786,792.06, 402,852,639.93 and 139,323,027.58

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Solution

The fourth proportional to 268,786,792.06, 402,852,639.93 and 139,323,027.58 is: 208,814,759.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,786,792.06 : 402,852,639.93 = 139,323,027.58 : x
  2. Step 2: Convert to fraction form
    268,786,792.06/402,852,639.93 = 139,323,027.58/x
  3. Step 3: Cross multiply
    268,786,792.06x = 402,852,639.93 × 139,323,027.58
  4. Step 4: Simplify right side
    268,786,792.06x = 56,126,649,463,643,208
  5. Step 5: Solve for x
    x = 56,126,649,463,643,208/268,786,792.06
  6. Step 6: Final answer
    x = 208,814,759.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.