Home / 86,669,343.40-130,004,015.10-35,588,021.80

Finding the Fourth Proportional to 86,669,343.40, 130,004,015.10 and 35,588,021.80

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Solution

The fourth proportional to 86,669,343.40, 130,004,015.10 and 35,588,021.80 is: 53,382,032.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,669,343.40 : 130,004,015.10 = 35,588,021.80 : x
  2. Step 2: Convert to fraction form
    86,669,343.40/130,004,015.10 = 35,588,021.80/x
  3. Step 3: Cross multiply
    86,669,343.40x = 130,004,015.10 × 35,588,021.80
  4. Step 4: Simplify right side
    86,669,343.40x = 4,626,585,723,466,329
  5. Step 5: Solve for x
    x = 4,626,585,723,466,329/86,669,343.40
  6. Step 6: Final answer
    x = 53,382,032.70

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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.