Home / 115,942,719.09-160,001,284.50-66,383,852.94

Finding the Fourth Proportional to 115,942,719.09, 160,001,284.50 and 66,383,852.94

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Solution

The fourth proportional to 115,942,719.09, 160,001,284.50 and 66,383,852.94 is: 91,609,907.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,942,719.09 : 160,001,284.50 = 66,383,852.94 : x
  2. Step 2: Convert to fraction form
    115,942,719.09/160,001,284.50 = 66,383,852.94/x
  3. Step 3: Cross multiply
    115,942,719.09x = 160,001,284.50 × 66,383,852.94
  4. Step 4: Simplify right side
    115,942,719.09x = 10,621,501,740,459,102
  5. Step 5: Solve for x
    x = 10,621,501,740,459,102/115,942,719.09
  6. Step 6: Final answer
    x = 91,609,907.23

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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.