Home / 113,280,768,003.20-169,921,152,004.80-54,507,644,931.20

Finding the Fourth Proportional to 113,280,768,003.20, 169,921,152,004.80 and 54,507,644,931.20

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Solution

The fourth proportional to 113,280,768,003.20, 169,921,152,004.80 and 54,507,644,931.20 is: 81,761,467,396.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,280,768,003.20 : 169,921,152,004.80 = 54,507,644,931.20 : x
  2. Step 2: Convert to fraction form
    113,280,768,003.20/169,921,152,004.80 = 54,507,644,931.20/x
  3. Step 3: Cross multiply
    113,280,768,003.20x = 169,921,152,004.80 × 54,507,644,931.20
  4. Step 4: Simplify right side
    113,280,768,003.20x = 9,262,001,819,778,099,970,048
  5. Step 5: Solve for x
    x = 9,262,001,819,778,099,970,048/113,280,768,003.20
  6. Step 6: Final answer
    x = 81,761,467,396.80

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Double scale
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1.5x scale

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.