Home / 72,583,200.90-108,874,801.35-64,647,015.30

Finding the Fourth Proportional to 72,583,200.90, 108,874,801.35 and 64,647,015.30

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Solution

The fourth proportional to 72,583,200.90, 108,874,801.35 and 64,647,015.30 is: 96,970,522.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,583,200.90 : 108,874,801.35 = 64,647,015.30 : x
  2. Step 2: Convert to fraction form
    72,583,200.90/108,874,801.35 = 64,647,015.30/x
  3. Step 3: Cross multiply
    72,583,200.90x = 108,874,801.35 × 64,647,015.30
  4. Step 4: Simplify right side
    72,583,200.90x = 7,038,430,948,657,910
  5. Step 5: Solve for x
    x = 7,038,430,948,657,910/72,583,200.90
  6. Step 6: Final answer
    x = 96,970,522.95

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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.