Home / 118,016,191.20-177,168,056.40-74,885,311.20

Finding the Fourth Proportional to 118,016,191.20, 177,168,056.40 and 74,885,311.20

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Solution

The fourth proportional to 118,016,191.20, 177,168,056.40 and 74,885,311.20 is: 112,419,193.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,016,191.20 : 177,168,056.40 = 74,885,311.20 : x
  2. Step 2: Convert to fraction form
    118,016,191.20/177,168,056.40 = 74,885,311.20/x
  3. Step 3: Cross multiply
    118,016,191.20x = 177,168,056.40 × 74,885,311.20
  4. Step 4: Simplify right side
    118,016,191.20x = 13,267,285,038,213,152
  5. Step 5: Solve for x
    x = 13,267,285,038,213,152/118,016,191.20
  6. Step 6: Final answer
    x = 112,419,193.53

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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.