Home / 86,269,568,015.40-129,404,352,023.10-70,596,735,196.20

Finding the Fourth Proportional to 86,269,568,015.40, 129,404,352,023.10 and 70,596,735,196.20

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Solution

The fourth proportional to 86,269,568,015.40, 129,404,352,023.10 and 70,596,735,196.20 is: 105,895,102,794.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,269,568,015.40 : 129,404,352,023.10 = 70,596,735,196.20 : x
  2. Step 2: Convert to fraction form
    86,269,568,015.40/129,404,352,023.10 = 70,596,735,196.20/x
  3. Step 3: Cross multiply
    86,269,568,015.40x = 129,404,352,023.10 × 70,596,735,196.20
  4. Step 4: Simplify right side
    86,269,568,015.40x = 9,135,524,773,010,638,635,008
  5. Step 5: Solve for x
    x = 9,135,524,773,010,638,635,008/86,269,568,015.40
  6. Step 6: Final answer
    x = 105,895,102,794.30

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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.