Home / 410,091,940.80-615,137,911.20-122,877,604.80

Finding the Fourth Proportional to 410,091,940.80, 615,137,911.20 and 122,877,604.80

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Solution

The fourth proportional to 410,091,940.80, 615,137,911.20 and 122,877,604.80 is: 184,316,407.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,091,940.80 : 615,137,911.20 = 122,877,604.80 : x
  2. Step 2: Convert to fraction form
    410,091,940.80/615,137,911.20 = 122,877,604.80/x
  3. Step 3: Cross multiply
    410,091,940.80x = 615,137,911.20 × 122,877,604.80
  4. Step 4: Simplify right side
    410,091,940.80x = 75,586,673,149,931,104
  5. Step 5: Solve for x
    x = 75,586,673,149,931,104/410,091,940.80
  6. Step 6: Final answer
    x = 184,316,407.20

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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.