Home / 125,024,008.62-172,533,131.88-70,019,865.12

Finding the Fourth Proportional to 125,024,008.62, 172,533,131.88 and 70,019,865.12

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Solution

The fourth proportional to 125,024,008.62, 172,533,131.88 and 70,019,865.12 is: 96,627,413.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,024,008.62 : 172,533,131.88 = 70,019,865.12 : x
  2. Step 2: Convert to fraction form
    125,024,008.62/172,533,131.88 = 70,019,865.12/x
  3. Step 3: Cross multiply
    125,024,008.62x = 172,533,131.88 × 70,019,865.12
  4. Step 4: Simplify right side
    125,024,008.62x = 12,080,746,622,968,772
  5. Step 5: Solve for x
    x = 12,080,746,622,968,772/125,024,008.62
  6. Step 6: Final answer
    x = 96,627,413.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.