Home / 86,669,342.40-130,004,013.60-35,588,020.80

Finding the Fourth Proportional to 86,669,342.40, 130,004,013.60 and 35,588,020.80

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Solution

The fourth proportional to 86,669,342.40, 130,004,013.60 and 35,588,020.80 is: 53,382,031.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,669,342.40 : 130,004,013.60 = 35,588,020.80 : x
  2. Step 2: Convert to fraction form
    86,669,342.40/130,004,013.60 = 35,588,020.80/x
  3. Step 3: Cross multiply
    86,669,342.40x = 130,004,013.60 × 35,588,020.80
  4. Step 4: Simplify right side
    86,669,342.40x = 4,626,585,540,080,282
  5. Step 5: Solve for x
    x = 4,626,585,540,080,282/86,669,342.40
  6. Step 6: Final answer
    x = 53,382,031.20

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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.