Home / 137,439,636.05-189,664,997.13-75,559,433.33

Finding the Fourth Proportional to 137,439,636.05, 189,664,997.13 and 75,559,433.33

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Solution

The fourth proportional to 137,439,636.05, 189,664,997.13 and 75,559,433.33 is: 104,271,083.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,439,636.05 : 189,664,997.13 = 75,559,433.33 : x
  2. Step 2: Convert to fraction form
    137,439,636.05/189,664,997.13 = 75,559,433.33/x
  3. Step 3: Cross multiply
    137,439,636.05x = 189,664,997.13 × 75,559,433.33
  4. Step 4: Simplify right side
    137,439,636.05x = 14,330,979,706,153,038
  5. Step 5: Solve for x
    x = 14,330,979,706,153,038/137,439,636.05
  6. Step 6: Final answer
    x = 104,271,083.06

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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.