Home / 137,648,496.94-189,959,938.11-74,921,565.27

Finding the Fourth Proportional to 137,648,496.94, 189,959,938.11 and 74,921,565.27

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Solution

The fourth proportional to 137,648,496.94, 189,959,938.11 and 74,921,565.27 is: 103,394,488.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,648,496.94 : 189,959,938.11 = 74,921,565.27 : x
  2. Step 2: Convert to fraction form
    137,648,496.94/189,959,938.11 = 74,921,565.27/x
  3. Step 3: Cross multiply
    137,648,496.94x = 189,959,938.11 × 74,921,565.27
  4. Step 4: Simplify right side
    137,648,496.94x = 14,232,095,902,505,878
  5. Step 5: Solve for x
    x = 14,232,095,902,505,878/137,648,496.94
  6. Step 6: Final answer
    x = 103,394,488.27

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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.