Home / 86,907,959.20-130,361,938.80-33,048,272.80

Finding the Fourth Proportional to 86,907,959.20, 130,361,938.80 and 33,048,272.80

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Solution

The fourth proportional to 86,907,959.20, 130,361,938.80 and 33,048,272.80 is: 49,572,409.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,907,959.20 : 130,361,938.80 = 33,048,272.80 : x
  2. Step 2: Convert to fraction form
    86,907,959.20/130,361,938.80 = 33,048,272.80/x
  3. Step 3: Cross multiply
    86,907,959.20x = 130,361,938.80 × 33,048,272.80
  4. Step 4: Simplify right side
    86,907,959.20x = 4,308,236,916,199,304.50
  5. Step 5: Solve for x
    x = 4,308,236,916,199,304.50/86,907,959.20
  6. Step 6: Final answer
    x = 49,572,409.20

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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.