Home / 86,669,362.40-130,004,043.60-35,588,040.80

Finding the Fourth Proportional to 86,669,362.40, 130,004,043.60 and 35,588,040.80

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Solution

The fourth proportional to 86,669,362.40, 130,004,043.60 and 35,588,040.80 is: 53,382,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,669,362.40 : 130,004,043.60 = 35,588,040.80 : x
  2. Step 2: Convert to fraction form
    86,669,362.40/130,004,043.60 = 35,588,040.80/x
  3. Step 3: Cross multiply
    86,669,362.40x = 130,004,043.60 × 35,588,040.80
  4. Step 4: Simplify right side
    86,669,362.40x = 4,626,589,207,801,778
  5. Step 5: Solve for x
    x = 4,626,589,207,801,778/86,669,362.40
  6. Step 6: Final answer
    x = 53,382,061.20

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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.