Home / 393,699,723.40-590,549,585.10-164,117,211.40

Finding the Fourth Proportional to 393,699,723.40, 590,549,585.10 and 164,117,211.40

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Solution

The fourth proportional to 393,699,723.40, 590,549,585.10 and 164,117,211.40 is: 246,175,817.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,699,723.40 : 590,549,585.10 = 164,117,211.40 : x
  2. Step 2: Convert to fraction form
    393,699,723.40/590,549,585.10 = 164,117,211.40/x
  3. Step 3: Cross multiply
    393,699,723.40x = 590,549,585.10 × 164,117,211.40
  4. Step 4: Simplify right side
    393,699,723.40x = 96,919,351,100,038,992
  5. Step 5: Solve for x
    x = 96,919,351,100,038,992/393,699,723.40
  6. Step 6: Final answer
    x = 246,175,817.10

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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.