Home / 390,036,016-585,045,827.26-94,932,782.24

Finding the Fourth Proportional to 390,036,016, 585,045,827.26 and 94,932,782.24

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Solution

The fourth proportional to 390,036,016, 585,045,827.26 and 94,932,782.24 is: 142,397,178.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,036,016 : 585,045,827.26 = 94,932,782.24 : x
  2. Step 2: Convert to fraction form
    390,036,016/585,045,827.26 = 94,932,782.24/x
  3. Step 3: Cross multiply
    390,036,016x = 585,045,827.26 × 94,932,782.24
  4. Step 4: Simplify right side
    390,036,016x = 55,540,028,119,694,232
  5. Step 5: Solve for x
    x = 55,540,028,119,694,232/390,036,016
  6. Step 6: Final answer
    x = 142,397,178.32

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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.