Home / 112,171,996.80-168,257,995.20-70,118,611.20

Finding the Fourth Proportional to 112,171,996.80, 168,257,995.20 and 70,118,611.20

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Solution

The fourth proportional to 112,171,996.80, 168,257,995.20 and 70,118,611.20 is: 105,177,916.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,171,996.80 : 168,257,995.20 = 70,118,611.20 : x
  2. Step 2: Convert to fraction form
    112,171,996.80/168,257,995.20 = 70,118,611.20/x
  3. Step 3: Cross multiply
    112,171,996.80x = 168,257,995.20 × 70,118,611.20
  4. Step 4: Simplify right side
    112,171,996.80x = 11,798,016,946,720,266
  5. Step 5: Solve for x
    x = 11,798,016,946,720,266/112,171,996.80
  6. Step 6: Final answer
    x = 105,177,916.80

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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.