Home / 38,985,157.30-53,800,151.25-21,343,763.38

Finding the Fourth Proportional to 38,985,157.30, 53,800,151.25 and 21,343,763.38

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Solution

The fourth proportional to 38,985,157.30, 53,800,151.25 and 21,343,763.38 is: 29,454,740.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,985,157.30 : 53,800,151.25 = 21,343,763.38 : x
  2. Step 2: Convert to fraction form
    38,985,157.30/53,800,151.25 = 21,343,763.38/x
  3. Step 3: Cross multiply
    38,985,157.30x = 53,800,151.25 × 21,343,763.38
  4. Step 4: Simplify right side
    38,985,157.30x = 1,148,297,698,088,211.25
  5. Step 5: Solve for x
    x = 1,148,297,698,088,211.25/38,985,157.30
  6. Step 6: Final answer
    x = 29,454,740.67

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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.