Home / 45,438,368.80-68,155,803.60-15,146,231.80

Finding the Fourth Proportional to 45,438,368.80, 68,155,803.60 and 15,146,231.80

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Solution

The fourth proportional to 45,438,368.80, 68,155,803.60 and 15,146,231.80 is: 22,718,764.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,438,368.80 : 68,155,803.60 = 15,146,231.80 : x
  2. Step 2: Convert to fraction form
    45,438,368.80/68,155,803.60 = 15,146,231.80/x
  3. Step 3: Cross multiply
    45,438,368.80x = 68,155,803.60 × 15,146,231.80
  4. Step 4: Simplify right side
    45,438,368.80x = 1,032,303,599,840,874.50
  5. Step 5: Solve for x
    x = 1,032,303,599,840,874.50/45,438,368.80
  6. Step 6: Final answer
    x = 22,718,764.50

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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.