Home / 168,995,765,145.60-253,493,647,718.40-51,204,630,988.80

Finding the Fourth Proportional to 168,995,765,145.60, 253,493,647,718.40 and 51,204,630,988.80

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Solution

The fourth proportional to 168,995,765,145.60, 253,493,647,718.40 and 51,204,630,988.80 is: 76,806,946,483.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,995,765,145.60 : 253,493,647,718.40 = 51,204,630,988.80 : x
  2. Step 2: Convert to fraction form
    168,995,765,145.60/253,493,647,718.40 = 51,204,630,988.80/x
  3. Step 3: Cross multiply
    168,995,765,145.60x = 253,493,647,718.40 × 51,204,630,988.80
  4. Step 4: Simplify right side
    168,995,765,145.60x = 12,980,048,689,425,534,681,088
  5. Step 5: Solve for x
    x = 12,980,048,689,425,534,681,088/168,995,765,145.60
  6. Step 6: Final answer
    x = 76,806,946,483.20

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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.