Home / 209,059,510.11-313,522,129.73-68,968,476.32

Finding the Fourth Proportional to 209,059,510.11, 313,522,129.73 and 68,968,476.32

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Solution

The fourth proportional to 209,059,510.11, 313,522,129.73 and 68,968,476.32 is: 103,430,566.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,059,510.11 : 313,522,129.73 = 68,968,476.32 : x
  2. Step 2: Convert to fraction form
    209,059,510.11/313,522,129.73 = 68,968,476.32/x
  3. Step 3: Cross multiply
    209,059,510.11x = 313,522,129.73 × 68,968,476.32
  4. Step 4: Simplify right side
    209,059,510.11x = 21,623,143,580,060,244
  5. Step 5: Solve for x
    x = 21,623,143,580,060,244/209,059,510.11
  6. Step 6: Final answer
    x = 103,430,566.58

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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.