Home / 117,922,069.80-176,883,104.70-74,662,772.40

Finding the Fourth Proportional to 117,922,069.80, 176,883,104.70 and 74,662,772.40

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Solution

The fourth proportional to 117,922,069.80, 176,883,104.70 and 74,662,772.40 is: 111,994,158.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,922,069.80 : 176,883,104.70 = 74,662,772.40 : x
  2. Step 2: Convert to fraction form
    117,922,069.80/176,883,104.70 = 74,662,772.40/x
  3. Step 3: Cross multiply
    117,922,069.80x = 176,883,104.70 × 74,662,772.40
  4. Step 4: Simplify right side
    117,922,069.80x = 13,206,582,987,621,470
  5. Step 5: Solve for x
    x = 13,206,582,987,621,470/117,922,069.80
  6. Step 6: Final answer
    x = 111,994,158.60

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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.