Home / 112,100,971.80-168,151,457.70-68,829,864.60

Finding the Fourth Proportional to 112,100,971.80, 168,151,457.70 and 68,829,864.60

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Solution

The fourth proportional to 112,100,971.80, 168,151,457.70 and 68,829,864.60 is: 103,244,796.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,100,971.80 : 168,151,457.70 = 68,829,864.60 : x
  2. Step 2: Convert to fraction form
    112,100,971.80/168,151,457.70 = 68,829,864.60/x
  3. Step 3: Cross multiply
    112,100,971.80x = 168,151,457.70 × 68,829,864.60
  4. Step 4: Simplify right side
    112,100,971.80x = 11,573,842,065,783,626
  5. Step 5: Solve for x
    x = 11,573,842,065,783,626/112,100,971.80
  6. Step 6: Final answer
    x = 103,244,796.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.