Home / 66,872,556.10-100,308,834.15-48,638,224.90

Finding the Fourth Proportional to 66,872,556.10, 100,308,834.15 and 48,638,224.90

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Solution

The fourth proportional to 66,872,556.10, 100,308,834.15 and 48,638,224.90 is: 72,957,337.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,872,556.10 : 100,308,834.15 = 48,638,224.90 : x
  2. Step 2: Convert to fraction form
    66,872,556.10/100,308,834.15 = 48,638,224.90/x
  3. Step 3: Cross multiply
    66,872,556.10x = 100,308,834.15 × 48,638,224.90
  4. Step 4: Simplify right side
    66,872,556.10x = 4,878,843,634,844,500
  5. Step 5: Solve for x
    x = 4,878,843,634,844,500/66,872,556.10
  6. Step 6: Final answer
    x = 72,957,337.35

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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.