Home / 69,990,109,615.71-104,973,323,160.74-19,613,949,262.29

Finding the Fourth Proportional to 69,990,109,615.71, 104,973,323,160.74 and 19,613,949,262.29

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Solution

The fourth proportional to 69,990,109,615.71, 104,973,323,160.74 and 19,613,949,262.29 is: 29,417,605,511.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,990,109,615.71 : 104,973,323,160.74 = 19,613,949,262.29 : x
  2. Step 2: Convert to fraction form
    69,990,109,615.71/104,973,323,160.74 = 19,613,949,262.29/x
  3. Step 3: Cross multiply
    69,990,109,615.71x = 104,973,323,160.74 × 19,613,949,262.29
  4. Step 4: Simplify right side
    69,990,109,615.71x = 2,058,941,434,368,726,401,024
  5. Step 5: Solve for x
    x = 2,058,941,434,368,726,401,024/69,990,109,615.71
  6. Step 6: Final answer
    x = 29,417,605,511.32

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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.