Home / 71,015,443.06-97,995,729.80-43,509,631.54

Finding the Fourth Proportional to 71,015,443.06, 97,995,729.80 and 43,509,631.54

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Solution

The fourth proportional to 71,015,443.06, 97,995,729.80 and 43,509,631.54 is: 60,039,871.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,015,443.06 : 97,995,729.80 = 43,509,631.54 : x
  2. Step 2: Convert to fraction form
    71,015,443.06/97,995,729.80 = 43,509,631.54/x
  3. Step 3: Cross multiply
    71,015,443.06x = 97,995,729.80 × 43,509,631.54
  4. Step 4: Simplify right side
    71,015,443.06x = 4,263,758,096,091,397.50
  5. Step 5: Solve for x
    x = 4,263,758,096,091,397.50/71,015,443.06
  6. Step 6: Final answer
    x = 60,039,871.79

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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.