Home / 72,938,452.02-109,415,340.32-23,758,137.88

Finding the Fourth Proportional to 72,938,452.02, 109,415,340.32 and 23,758,137.88

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Solution

The fourth proportional to 72,938,452.02, 109,415,340.32 and 23,758,137.88 is: 35,639,702.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,938,452.02 : 109,415,340.32 = 23,758,137.88 : x
  2. Step 2: Convert to fraction form
    72,938,452.02/109,415,340.32 = 23,758,137.88/x
  3. Step 3: Cross multiply
    72,938,452.02x = 109,415,340.32 × 23,758,137.88
  4. Step 4: Simplify right side
    72,938,452.02x = 2,599,504,741,509,683
  5. Step 5: Solve for x
    x = 2,599,504,741,509,683/72,938,452.02
  6. Step 6: Final answer
    x = 35,639,702.65

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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.