Home / 213,212,683.32-294,248,728.63-117,841,140.38

Finding the Fourth Proportional to 213,212,683.32, 294,248,728.63 and 117,841,140.38

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Solution

The fourth proportional to 213,212,683.32, 294,248,728.63 and 117,841,140.38 is: 162,629,188.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,212,683.32 : 294,248,728.63 = 117,841,140.38 : x
  2. Step 2: Convert to fraction form
    213,212,683.32/294,248,728.63 = 117,841,140.38/x
  3. Step 3: Cross multiply
    213,212,683.32x = 294,248,728.63 × 117,841,140.38
  4. Step 4: Simplify right side
    213,212,683.32x = 34,674,605,735,653,112
  5. Step 5: Solve for x
    x = 34,674,605,735,653,112/213,212,683.32
  6. Step 6: Final answer
    x = 162,629,188.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.