Home / 178,196,681.22-267,296,202.81-69,033,975.90

Finding the Fourth Proportional to 178,196,681.22, 267,296,202.81 and 69,033,975.90

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Solution

The fourth proportional to 178,196,681.22, 267,296,202.81 and 69,033,975.90 is: 103,551,421.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,196,681.22 : 267,296,202.81 = 69,033,975.90 : x
  2. Step 2: Convert to fraction form
    178,196,681.22/267,296,202.81 = 69,033,975.90/x
  3. Step 3: Cross multiply
    178,196,681.22x = 267,296,202.81 × 69,033,975.90
  4. Step 4: Simplify right side
    178,196,681.22x = 18,452,519,622,947,056
  5. Step 5: Solve for x
    x = 18,452,519,622,947,056/178,196,681.22
  6. Step 6: Final answer
    x = 103,551,421.37

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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.