Home / 137,567,112.57-189,844,122.15-74,843,567.10

Finding the Fourth Proportional to 137,567,112.57, 189,844,122.15 and 74,843,567.10

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Solution

The fourth proportional to 137,567,112.57, 189,844,122.15 and 74,843,567.10 is: 103,284,942.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,567,112.57 : 189,844,122.15 = 74,843,567.10 : x
  2. Step 2: Convert to fraction form
    137,567,112.57/189,844,122.15 = 74,843,567.10/x
  3. Step 3: Cross multiply
    137,567,112.57x = 189,844,122.15 × 74,843,567.10
  4. Step 4: Simplify right side
    137,567,112.57x = 14,208,611,294,674,120
  5. Step 5: Solve for x
    x = 14,208,611,294,674,120/137,567,112.57
  6. Step 6: Final answer
    x = 103,284,942.38

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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.