Home / 85,177,490,676.80-116,929,410,113.84-73,113,557,460.48

Finding the Fourth Proportional to 85,177,490,676.80, 116,929,410,113.84 and 73,113,557,460.48

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Solution

The fourth proportional to 85,177,490,676.80, 116,929,410,113.84 and 73,113,557,460.48 is: 100,368,361,139.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,177,490,676.80 : 116,929,410,113.84 = 73,113,557,460.48 : x
  2. Step 2: Convert to fraction form
    85,177,490,676.80/116,929,410,113.84 = 73,113,557,460.48/x
  3. Step 3: Cross multiply
    85,177,490,676.80x = 116,929,410,113.84 × 73,113,557,460.48
  4. Step 4: Simplify right side
    85,177,490,676.80x = 8,549,125,145,178,271,645,696
  5. Step 5: Solve for x
    x = 8,549,125,145,178,271,645,696/85,177,490,676.80
  6. Step 6: Final answer
    x = 100,368,361,139.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.