Home / 112,101,219.40-168,151,829.10-68,830,112.20

Finding the Fourth Proportional to 112,101,219.40, 168,151,829.10 and 68,830,112.20

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Solution

The fourth proportional to 112,101,219.40, 168,151,829.10 and 68,830,112.20 is: 103,245,168.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,101,219.40 : 168,151,829.10 = 68,830,112.20 : x
  2. Step 2: Convert to fraction form
    112,101,219.40/168,151,829.10 = 68,830,112.20/x
  3. Step 3: Cross multiply
    112,101,219.40x = 168,151,829.10 × 68,830,112.20
  4. Step 4: Simplify right side
    112,101,219.40x = 11,573,909,263,588,226
  5. Step 5: Solve for x
    x = 11,573,909,263,588,226/112,101,219.40
  6. Step 6: Final answer
    x = 103,245,168.30

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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.