Home / 86,216,022-118,978,110.36-58,761,911.16

Finding the Fourth Proportional to 86,216,022, 118,978,110.36 and 58,761,911.16

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Solution

The fourth proportional to 86,216,022, 118,978,110.36 and 58,761,911.16 is: 81,091,437.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,216,022 : 118,978,110.36 = 58,761,911.16 : x
  2. Step 2: Convert to fraction form
    86,216,022/118,978,110.36 = 58,761,911.16/x
  3. Step 3: Cross multiply
    86,216,022x = 118,978,110.36 × 58,761,911.16
  4. Step 4: Simplify right side
    86,216,022x = 6,991,381,150,958,995
  5. Step 5: Solve for x
    x = 6,991,381,150,958,995/86,216,022
  6. Step 6: Final answer
    x = 81,091,437.40

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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.