Home / 115,912,191.20-173,868,286.80-35,122,661.60

Finding the Fourth Proportional to 115,912,191.20, 173,868,286.80 and 35,122,661.60

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Solution

The fourth proportional to 115,912,191.20, 173,868,286.80 and 35,122,661.60 is: 52,683,992.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,912,191.20 : 173,868,286.80 = 35,122,661.60 : x
  2. Step 2: Convert to fraction form
    115,912,191.20/173,868,286.80 = 35,122,661.60/x
  3. Step 3: Cross multiply
    115,912,191.20x = 173,868,286.80 × 35,122,661.60
  4. Step 4: Simplify right side
    115,912,191.20x = 6,106,717,000,248,148
  5. Step 5: Solve for x
    x = 6,106,717,000,248,148/115,912,191.20
  6. Step 6: Final answer
    x = 52,683,992.40

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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.