Home / 116,992,739.07-161,448,002.15-64,780,650.99

Finding the Fourth Proportional to 116,992,739.07, 161,448,002.15 and 64,780,650.99

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Solution

The fourth proportional to 116,992,739.07, 161,448,002.15 and 64,780,650.99 is: 89,396,203.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,992,739.07 : 161,448,002.15 = 64,780,650.99 : x
  2. Step 2: Convert to fraction form
    116,992,739.07/161,448,002.15 = 64,780,650.99/x
  3. Step 3: Cross multiply
    116,992,739.07x = 161,448,002.15 × 64,780,650.99
  4. Step 4: Simplify right side
    116,992,739.07x = 10,458,706,679,988,018
  5. Step 5: Solve for x
    x = 10,458,706,679,988,018/116,992,739.07
  6. Step 6: Final answer
    x = 89,396,203.24

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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.