Home / 71,557,367.76-107,200,632.60-42,323,651.28

Finding the Fourth Proportional to 71,557,367.76, 107,200,632.60 and 42,323,651.28

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Solution

The fourth proportional to 71,557,367.76, 107,200,632.60 and 42,323,651.28 is: 63,405,381.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,557,367.76 : 107,200,632.60 = 42,323,651.28 : x
  2. Step 2: Convert to fraction form
    71,557,367.76/107,200,632.60 = 42,323,651.28/x
  3. Step 3: Cross multiply
    71,557,367.76x = 107,200,632.60 × 42,323,651.28
  4. Step 4: Simplify right side
    71,557,367.76x = 4,537,122,191,157,800
  5. Step 5: Solve for x
    x = 4,537,122,191,157,800/71,557,367.76
  6. Step 6: Final answer
    x = 63,405,381.35

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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.