Home / 29,079,206.40-43,618,809.60-28,880,140.80

Finding the Fourth Proportional to 29,079,206.40, 43,618,809.60 and 28,880,140.80

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Solution

The fourth proportional to 29,079,206.40, 43,618,809.60 and 28,880,140.80 is: 43,320,211.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,079,206.40 : 43,618,809.60 = 28,880,140.80 : x
  2. Step 2: Convert to fraction form
    29,079,206.40/43,618,809.60 = 28,880,140.80/x
  3. Step 3: Cross multiply
    29,079,206.40x = 43,618,809.60 × 28,880,140.80
  4. Step 4: Simplify right side
    29,079,206.40x = 1,259,717,362,776,391.75
  5. Step 5: Solve for x
    x = 1,259,717,362,776,391.75/29,079,206.40
  6. Step 6: Final answer
    x = 43,320,211.20

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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.