Home / 262,354,042.80-393,769,009.80-133,051,604.40

Finding the Fourth Proportional to 262,354,042.80, 393,769,009.80 and 133,051,604.40

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Solution

The fourth proportional to 262,354,042.80, 393,769,009.80 and 133,051,604.40 is: 199,698,079.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,354,042.80 : 393,769,009.80 = 133,051,604.40 : x
  2. Step 2: Convert to fraction form
    262,354,042.80/393,769,009.80 = 133,051,604.40/x
  3. Step 3: Cross multiply
    262,354,042.80x = 393,769,009.80 × 133,051,604.40
  4. Step 4: Simplify right side
    262,354,042.80x = 52,391,598,516,889,328
  5. Step 5: Solve for x
    x = 52,391,598,516,889,328/262,354,042.80
  6. Step 6: Final answer
    x = 199,698,079.58

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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.