Home / 45,968,820.80-68,953,231.20-20,382,670.40

Finding the Fourth Proportional to 45,968,820.80, 68,953,231.20 and 20,382,670.40

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Solution

The fourth proportional to 45,968,820.80, 68,953,231.20 and 20,382,670.40 is: 30,574,005.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,968,820.80 : 68,953,231.20 = 20,382,670.40 : x
  2. Step 2: Convert to fraction form
    45,968,820.80/68,953,231.20 = 20,382,670.40/x
  3. Step 3: Cross multiply
    45,968,820.80x = 68,953,231.20 × 20,382,670.40
  4. Step 4: Simplify right side
    45,968,820.80x = 1,405,450,984,564,596.50
  5. Step 5: Solve for x
    x = 1,405,450,984,564,596.50/45,968,820.80
  6. Step 6: Final answer
    x = 30,574,005.60

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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.