Home / 86,939,743.80-130,409,615.70-46,628,959.80

Finding the Fourth Proportional to 86,939,743.80, 130,409,615.70 and 46,628,959.80

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Solution

The fourth proportional to 86,939,743.80, 130,409,615.70 and 46,628,959.80 is: 69,943,439.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,939,743.80 : 130,409,615.70 = 46,628,959.80 : x
  2. Step 2: Convert to fraction form
    86,939,743.80/130,409,615.70 = 46,628,959.80/x
  3. Step 3: Cross multiply
    86,939,743.80x = 130,409,615.70 × 46,628,959.80
  4. Step 4: Simplify right side
    86,939,743.80x = 6,080,864,728,008,749
  5. Step 5: Solve for x
    x = 6,080,864,728,008,749/86,939,743.80
  6. Step 6: Final answer
    x = 69,943,439.70

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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.