Home / 111,990,982.32-167,985,686.16-31,211,950.32

Finding the Fourth Proportional to 111,990,982.32, 167,985,686.16 and 31,211,950.32

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Solution

The fourth proportional to 111,990,982.32, 167,985,686.16 and 31,211,950.32 is: 46,817,706.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,990,982.32 : 167,985,686.16 = 31,211,950.32 : x
  2. Step 2: Convert to fraction form
    111,990,982.32/167,985,686.16 = 31,211,950.32/x
  3. Step 3: Cross multiply
    111,990,982.32x = 167,985,686.16 × 31,211,950.32
  4. Step 4: Simplify right side
    111,990,982.32x = 5,243,160,890,897,032
  5. Step 5: Solve for x
    x = 5,243,160,890,897,032/111,990,982.32
  6. Step 6: Final answer
    x = 46,817,706.05

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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.