Home / 105,006,790.80-157,435,536.60-40,285,587.60

Finding the Fourth Proportional to 105,006,790.80, 157,435,536.60 and 40,285,587.60

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Solution

The fourth proportional to 105,006,790.80, 157,435,536.60 and 40,285,587.60 is: 60,399,742.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,006,790.80 : 157,435,536.60 = 40,285,587.60 : x
  2. Step 2: Convert to fraction form
    105,006,790.80/157,435,536.60 = 40,285,587.60/x
  3. Step 3: Cross multiply
    105,006,790.80x = 157,435,536.60 × 40,285,587.60
  4. Step 4: Simplify right side
    105,006,790.80x = 6,342,383,101,052,306
  5. Step 5: Solve for x
    x = 6,342,383,101,052,306/105,006,790.80
  6. Step 6: Final answer
    x = 60,399,742.27

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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.