Home / 102,853,768,400.70-154,300,520,892.78-39,106,157,762.76

Finding the Fourth Proportional to 102,853,768,400.70, 154,300,520,892.78 and 39,106,157,762.76

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Solution

The fourth proportional to 102,853,768,400.70, 154,300,520,892.78 and 39,106,157,762.76 is: 58,666,790,791.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,853,768,400.70 : 154,300,520,892.78 = 39,106,157,762.76 : x
  2. Step 2: Convert to fraction form
    102,853,768,400.70/154,300,520,892.78 = 39,106,157,762.76/x
  3. Step 3: Cross multiply
    102,853,768,400.70x = 154,300,520,892.78 × 39,106,157,762.76
  4. Step 4: Simplify right side
    102,853,768,400.70x = 6,034,100,512,909,100,580,864
  5. Step 5: Solve for x
    x = 6,034,100,512,909,100,580,864/102,853,768,400.70
  6. Step 6: Final answer
    x = 58,666,790,791.77

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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.