Home / 129,445,514.40-194,242,921.20-48,724,413.60

Finding the Fourth Proportional to 129,445,514.40, 194,242,921.20 and 48,724,413.60

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Solution

The fourth proportional to 129,445,514.40, 194,242,921.20 and 48,724,413.60 is: 73,114,719.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,445,514.40 : 194,242,921.20 = 48,724,413.60 : x
  2. Step 2: Convert to fraction form
    129,445,514.40/194,242,921.20 = 48,724,413.60/x
  3. Step 3: Cross multiply
    129,445,514.40x = 194,242,921.20 × 48,724,413.60
  4. Step 4: Simplify right side
    129,445,514.40x = 9,464,372,431,421,008
  5. Step 5: Solve for x
    x = 9,464,372,431,421,008/129,445,514.40
  6. Step 6: Final answer
    x = 73,114,719.16

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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.