Home / 105,890,032.52-157,770,757.18-99,942,764.64

Finding the Fourth Proportional to 105,890,032.52, 157,770,757.18 and 99,942,764.64

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Solution

The fourth proportional to 105,890,032.52, 157,770,757.18 and 99,942,764.64 is: 148,909,630.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,890,032.52 : 157,770,757.18 = 99,942,764.64 : x
  2. Step 2: Convert to fraction form
    105,890,032.52/157,770,757.18 = 99,942,764.64/x
  3. Step 3: Cross multiply
    105,890,032.52x = 157,770,757.18 × 99,942,764.64
  4. Step 4: Simplify right side
    105,890,032.52x = 15,768,045,651,915,330
  5. Step 5: Solve for x
    x = 15,768,045,651,915,330/105,890,032.52
  6. Step 6: Final answer
    x = 148,909,630.84

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.