Home / 115,776,007.20-173,664,010.80-70,351,725.60

Finding the Fourth Proportional to 115,776,007.20, 173,664,010.80 and 70,351,725.60

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Solution

The fourth proportional to 115,776,007.20, 173,664,010.80 and 70,351,725.60 is: 105,527,588.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,776,007.20 : 173,664,010.80 = 70,351,725.60 : x
  2. Step 2: Convert to fraction form
    115,776,007.20/173,664,010.80 = 70,351,725.60/x
  3. Step 3: Cross multiply
    115,776,007.20x = 173,664,010.80 × 70,351,725.60
  4. Step 4: Simplify right side
    115,776,007.20x = 12,217,562,834,397,036
  5. Step 5: Solve for x
    x = 12,217,562,834,397,036/115,776,007.20
  6. Step 6: Final answer
    x = 105,527,588.40

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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.