Home / 86,325,266.80-129,487,900.20-59,115,487.60

Finding the Fourth Proportional to 86,325,266.80, 129,487,900.20 and 59,115,487.60

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Solution

The fourth proportional to 86,325,266.80, 129,487,900.20 and 59,115,487.60 is: 88,673,231.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,325,266.80 : 129,487,900.20 = 59,115,487.60 : x
  2. Step 2: Convert to fraction form
    86,325,266.80/129,487,900.20 = 59,115,487.60/x
  3. Step 3: Cross multiply
    86,325,266.80x = 129,487,900.20 × 59,115,487.60
  4. Step 4: Simplify right side
    86,325,266.80x = 7,654,740,358,623,138
  5. Step 5: Solve for x
    x = 7,654,740,358,623,138/86,325,266.80
  6. Step 6: Final answer
    x = 88,673,231.40

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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.