Home / 68,894,763.36-103,271,169.60-30,574,324.32

Finding the Fourth Proportional to 68,894,763.36, 103,271,169.60 and 30,574,324.32

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Solution

The fourth proportional to 68,894,763.36, 103,271,169.60 and 30,574,324.32 is: 45,829,988.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,894,763.36 : 103,271,169.60 = 30,574,324.32 : x
  2. Step 2: Convert to fraction form
    68,894,763.36/103,271,169.60 = 30,574,324.32/x
  3. Step 3: Cross multiply
    68,894,763.36x = 103,271,169.60 × 30,574,324.32
  4. Step 4: Simplify right side
    68,894,763.36x = 3,157,446,232,256,124.50
  5. Step 5: Solve for x
    x = 3,157,446,232,256,124.50/68,894,763.36
  6. Step 6: Final answer
    x = 45,829,988.79

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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.