Home / 55,628,160.06-76,765,406.18-30,848,283.74

Finding the Fourth Proportional to 55,628,160.06, 76,765,406.18 and 30,848,283.74

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Solution

The fourth proportional to 55,628,160.06, 76,765,406.18 and 30,848,283.74 is: 42,569,824.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,628,160.06 : 76,765,406.18 = 30,848,283.74 : x
  2. Step 2: Convert to fraction form
    55,628,160.06/76,765,406.18 = 30,848,283.74/x
  3. Step 3: Cross multiply
    55,628,160.06x = 76,765,406.18 × 30,848,283.74
  4. Step 4: Simplify right side
    55,628,160.06x = 2,368,081,031,256,989.50
  5. Step 5: Solve for x
    x = 2,368,081,031,256,989.50/55,628,160.06
  6. Step 6: Final answer
    x = 42,569,824.86

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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.