Home / 109,890,775.70-164,597,015.10-66,684,622.40

Finding the Fourth Proportional to 109,890,775.70, 164,597,015.10 and 66,684,622.40

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Solution

The fourth proportional to 109,890,775.70, 164,597,015.10 and 66,684,622.40 is: 99,881,812.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,890,775.70 : 164,597,015.10 = 66,684,622.40 : x
  2. Step 2: Convert to fraction form
    109,890,775.70/164,597,015.10 = 66,684,622.40/x
  3. Step 3: Cross multiply
    109,890,775.70x = 164,597,015.10 × 66,684,622.40
  4. Step 4: Simplify right side
    109,890,775.70x = 10,976,089,800,110,598
  5. Step 5: Solve for x
    x = 10,976,089,800,110,598/109,890,775.70
  6. Step 6: Final answer
    x = 99,881,812.01

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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.