Home / 84,663,144,005.80-126,994,716,008.70-68,990,311,186.60

Finding the Fourth Proportional to 84,663,144,005.80, 126,994,716,008.70 and 68,990,311,186.60

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Solution

The fourth proportional to 84,663,144,005.80, 126,994,716,008.70 and 68,990,311,186.60 is: 103,485,466,779.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,663,144,005.80 : 126,994,716,008.70 = 68,990,311,186.60 : x
  2. Step 2: Convert to fraction form
    84,663,144,005.80/126,994,716,008.70 = 68,990,311,186.60/x
  3. Step 3: Cross multiply
    84,663,144,005.80x = 126,994,716,008.70 × 68,990,311,186.60
  4. Step 4: Simplify right side
    84,663,144,005.80x = 8,761,404,976,494,106,640,384
  5. Step 5: Solve for x
    x = 8,761,404,976,494,106,640,384/84,663,144,005.80
  6. Step 6: Final answer
    x = 103,485,466,779.90

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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.