Home / 109,137,815.20-163,706,722.80-94,470,043.60

Finding the Fourth Proportional to 109,137,815.20, 163,706,722.80 and 94,470,043.60

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Solution

The fourth proportional to 109,137,815.20, 163,706,722.80 and 94,470,043.60 is: 141,705,065.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,137,815.20 : 163,706,722.80 = 94,470,043.60 : x
  2. Step 2: Convert to fraction form
    109,137,815.20/163,706,722.80 = 94,470,043.60/x
  3. Step 3: Cross multiply
    109,137,815.20x = 163,706,722.80 × 94,470,043.60
  4. Step 4: Simplify right side
    109,137,815.20x = 15,465,381,240,529,114
  5. Step 5: Solve for x
    x = 15,465,381,240,529,114/109,137,815.20
  6. Step 6: Final answer
    x = 141,705,065.40

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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.