Home / 78,325,436.68-108,092,019.70-46,968,590.86

Finding the Fourth Proportional to 78,325,436.68, 108,092,019.70 and 46,968,590.86

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Solution

The fourth proportional to 78,325,436.68, 108,092,019.70 and 46,968,590.86 is: 64,818,404.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,325,436.68 : 108,092,019.70 = 46,968,590.86 : x
  2. Step 2: Convert to fraction form
    78,325,436.68/108,092,019.70 = 46,968,590.86/x
  3. Step 3: Cross multiply
    78,325,436.68x = 108,092,019.70 × 46,968,590.86
  4. Step 4: Simplify right side
    78,325,436.68x = 5,076,929,848,520,360
  5. Step 5: Solve for x
    x = 5,076,929,848,520,360/78,325,436.68
  6. Step 6: Final answer
    x = 64,818,404.64

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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.