Home / 107,998,678.01-149,008,643.56-61,571,992.25

Finding the Fourth Proportional to 107,998,678.01, 149,008,643.56 and 61,571,992.25

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Solution

The fourth proportional to 107,998,678.01, 149,008,643.56 and 61,571,992.25 is: 84,952,512.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,998,678.01 : 149,008,643.56 = 61,571,992.25 : x
  2. Step 2: Convert to fraction form
    107,998,678.01/149,008,643.56 = 61,571,992.25/x
  3. Step 3: Cross multiply
    107,998,678.01x = 149,008,643.56 × 61,571,992.25
  4. Step 4: Simplify right side
    107,998,678.01x = 9,174,759,046,459,332
  5. Step 5: Solve for x
    x = 9,174,759,046,459,332/107,998,678.01
  6. Step 6: Final answer
    x = 84,952,512.53

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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.