Home / 217,580,797.71-326,406,647.84-64,242,354.51

Finding the Fourth Proportional to 217,580,797.71, 326,406,647.84 and 64,242,354.51

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Solution

The fourth proportional to 217,580,797.71, 326,406,647.84 and 64,242,354.51 is: 96,373,999.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,580,797.71 : 326,406,647.84 = 64,242,354.51 : x
  2. Step 2: Convert to fraction form
    217,580,797.71/326,406,647.84 = 64,242,354.51/x
  3. Step 3: Cross multiply
    217,580,797.71x = 326,406,647.84 × 64,242,354.51
  4. Step 4: Simplify right side
    217,580,797.71x = 20,969,131,584,636,792
  5. Step 5: Solve for x
    x = 20,969,131,584,636,792/217,580,797.71
  6. Step 6: Final answer
    x = 96,373,999.02

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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.