Home / 70,684,504.72-106,014,946.20-19,571,690.32

Finding the Fourth Proportional to 70,684,504.72, 106,014,946.20 and 19,571,690.32

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Solution

The fourth proportional to 70,684,504.72, 106,014,946.20 and 19,571,690.32 is: 29,354,265.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,684,504.72 : 106,014,946.20 = 19,571,690.32 : x
  2. Step 2: Convert to fraction form
    70,684,504.72/106,014,946.20 = 19,571,690.32/x
  3. Step 3: Cross multiply
    70,684,504.72x = 106,014,946.20 × 19,571,690.32
  4. Step 4: Simplify right side
    70,684,504.72x = 2,074,891,696,317,860.75
  5. Step 5: Solve for x
    x = 2,074,891,696,317,860.75/70,684,504.72
  6. Step 6: Final answer
    x = 29,354,265.19

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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.