Home / 217,728,231.40-326,592,347.10-163,980,519.40

Finding the Fourth Proportional to 217,728,231.40, 326,592,347.10 and 163,980,519.40

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Solution

The fourth proportional to 217,728,231.40, 326,592,347.10 and 163,980,519.40 is: 245,970,779.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,728,231.40 : 326,592,347.10 = 163,980,519.40 : x
  2. Step 2: Convert to fraction form
    217,728,231.40/326,592,347.10 = 163,980,519.40/x
  3. Step 3: Cross multiply
    217,728,231.40x = 326,592,347.10 × 163,980,519.40
  4. Step 4: Simplify right side
    217,728,231.40x = 53,554,782,709,523,088
  5. Step 5: Solve for x
    x = 53,554,782,709,523,088/217,728,231.40
  6. Step 6: Final answer
    x = 245,970,779.10

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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.