Home / 49,763,280.40-74,644,920.60-21,041,846.80

Finding the Fourth Proportional to 49,763,280.40, 74,644,920.60 and 21,041,846.80

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Solution

The fourth proportional to 49,763,280.40, 74,644,920.60 and 21,041,846.80 is: 31,562,770.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,763,280.40 : 74,644,920.60 = 21,041,846.80 : x
  2. Step 2: Convert to fraction form
    49,763,280.40/74,644,920.60 = 21,041,846.80/x
  3. Step 3: Cross multiply
    49,763,280.40x = 74,644,920.60 × 21,041,846.80
  4. Step 4: Simplify right side
    49,763,280.40x = 1,570,666,983,663,364
  5. Step 5: Solve for x
    x = 1,570,666,983,663,364/49,763,280.40
  6. Step 6: Final answer
    x = 31,562,770.20

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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.