Home / 157,983,917.13-236,890,665.32-71,675,235.45

Finding the Fourth Proportional to 157,983,917.13, 236,890,665.32 and 71,675,235.45

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Solution

The fourth proportional to 157,983,917.13, 236,890,665.32 and 71,675,235.45 is: 107,474,194.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,983,917.13 : 236,890,665.32 = 71,675,235.45 : x
  2. Step 2: Convert to fraction form
    157,983,917.13/236,890,665.32 = 71,675,235.45/x
  3. Step 3: Cross multiply
    157,983,917.13x = 236,890,665.32 × 71,675,235.45
  4. Step 4: Simplify right side
    157,983,917.13x = 16,979,194,212,359,774
  5. Step 5: Solve for x
    x = 16,979,194,212,359,774/157,983,917.13
  6. Step 6: Final answer
    x = 107,474,194.34

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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.