Home / 168,863,763,134.55-253,338,518,518.60-78,170,563,773.03

Finding the Fourth Proportional to 168,863,763,134.55, 253,338,518,518.60 and 78,170,563,773.03

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Solution

The fourth proportional to 168,863,763,134.55, 253,338,518,518.60 and 78,170,563,773.03 is: 117,275,692,845.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,863,763,134.55 : 253,338,518,518.60 = 78,170,563,773.03 : x
  2. Step 2: Convert to fraction form
    168,863,763,134.55/253,338,518,518.60 = 78,170,563,773.03/x
  3. Step 3: Cross multiply
    168,863,763,134.55x = 253,338,518,518.60 × 78,170,563,773.03
  4. Step 4: Simplify right side
    168,863,763,134.55x = 19,803,614,818,023,164,084,224
  5. Step 5: Solve for x
    x = 19,803,614,818,023,164,084,224/168,863,763,134.55
  6. Step 6: Final answer
    x = 117,275,692,845.03

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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.