Home / 112,101,211.40-168,151,817.10-68,830,104.20

Finding the Fourth Proportional to 112,101,211.40, 168,151,817.10 and 68,830,104.20

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Solution

The fourth proportional to 112,101,211.40, 168,151,817.10 and 68,830,104.20 is: 103,245,156.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,101,211.40 : 168,151,817.10 = 68,830,104.20 : x
  2. Step 2: Convert to fraction form
    112,101,211.40/168,151,817.10 = 68,830,104.20/x
  3. Step 3: Cross multiply
    112,101,211.40x = 168,151,817.10 × 68,830,104.20
  4. Step 4: Simplify right side
    112,101,211.40x = 11,573,907,092,412,342
  5. Step 5: Solve for x
    x = 11,573,907,092,412,342/112,101,211.40
  6. Step 6: Final answer
    x = 103,245,156.30

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1.5x scale

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.