Home / 30,330,069.60-45,495,104.40-30,141,112.80

Finding the Fourth Proportional to 30,330,069.60, 45,495,104.40 and 30,141,112.80

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Solution

The fourth proportional to 30,330,069.60, 45,495,104.40 and 30,141,112.80 is: 45,211,669.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,330,069.60 : 45,495,104.40 = 30,141,112.80 : x
  2. Step 2: Convert to fraction form
    30,330,069.60/45,495,104.40 = 30,141,112.80/x
  3. Step 3: Cross multiply
    30,330,069.60x = 45,495,104.40 × 30,141,112.80
  4. Step 4: Simplify right side
    30,330,069.60x = 1,371,273,073,568,176.25
  5. Step 5: Solve for x
    x = 1,371,273,073,568,176.25/30,330,069.60
  6. Step 6: Final answer
    x = 45,211,669.20

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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.