Home / 86,669,296.40-130,003,944.60-35,587,974.80

Finding the Fourth Proportional to 86,669,296.40, 130,003,944.60 and 35,587,974.80

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Solution

The fourth proportional to 86,669,296.40, 130,003,944.60 and 35,587,974.80 is: 53,381,962.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,669,296.40 : 130,003,944.60 = 35,587,974.80 : x
  2. Step 2: Convert to fraction form
    86,669,296.40/130,003,944.60 = 35,587,974.80/x
  3. Step 3: Cross multiply
    86,669,296.40x = 130,003,944.60 × 35,587,974.80
  4. Step 4: Simplify right side
    86,669,296.40x = 4,626,577,104,325,395
  5. Step 5: Solve for x
    x = 4,626,577,104,325,395/86,669,296.40
  6. Step 6: Final answer
    x = 53,381,962.20

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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.