Home / 85,698,254.51-118,299,783.36-57,858,679.25

Finding the Fourth Proportional to 85,698,254.51, 118,299,783.36 and 57,858,679.25

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Solution

The fourth proportional to 85,698,254.51, 118,299,783.36 and 57,858,679.25 is: 79,869,412.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,698,254.51 : 118,299,783.36 = 57,858,679.25 : x
  2. Step 2: Convert to fraction form
    85,698,254.51/118,299,783.36 = 57,858,679.25/x
  3. Step 3: Cross multiply
    85,698,254.51x = 118,299,783.36 × 57,858,679.25
  4. Step 4: Simplify right side
    85,698,254.51x = 6,844,669,220,770,727
  5. Step 5: Solve for x
    x = 6,844,669,220,770,727/85,698,254.51
  6. Step 6: Final answer
    x = 79,869,412.28

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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.