Home / 90,657,303.60-125,106,664.86-49,404,185.04

Finding the Fourth Proportional to 90,657,303.60, 125,106,664.86 and 49,404,185.04

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Solution

The fourth proportional to 90,657,303.60, 125,106,664.86 and 49,404,185.04 is: 68,177,549.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,657,303.60 : 125,106,664.86 = 49,404,185.04 : x
  2. Step 2: Convert to fraction form
    90,657,303.60/125,106,664.86 = 49,404,185.04/x
  3. Step 3: Cross multiply
    90,657,303.60x = 125,106,664.86 × 49,404,185.04
  4. Step 4: Simplify right side
    90,657,303.60x = 6,180,792,820,480,706
  5. Step 5: Solve for x
    x = 6,180,792,820,480,706/90,657,303.60
  6. Step 6: Final answer
    x = 68,177,549.68

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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.