Home / 106,028,662.60-159,042,993.90-78,818,883.40

Finding the Fourth Proportional to 106,028,662.60, 159,042,993.90 and 78,818,883.40

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Solution

The fourth proportional to 106,028,662.60, 159,042,993.90 and 78,818,883.40 is: 118,228,325.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,028,662.60 : 159,042,993.90 = 78,818,883.40 : x
  2. Step 2: Convert to fraction form
    106,028,662.60/159,042,993.90 = 78,818,883.40/x
  3. Step 3: Cross multiply
    106,028,662.60x = 159,042,993.90 × 78,818,883.40
  4. Step 4: Simplify right side
    106,028,662.60x = 12,535,591,191,791,012
  5. Step 5: Solve for x
    x = 12,535,591,191,791,012/106,028,662.60
  6. Step 6: Final answer
    x = 118,228,325.10

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1.5x scale

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.