Home / 89,028,009.60-133,542,014.40-73,722,508.80

Finding the Fourth Proportional to 89,028,009.60, 133,542,014.40 and 73,722,508.80

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Solution

The fourth proportional to 89,028,009.60, 133,542,014.40 and 73,722,508.80 is: 110,583,763.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,028,009.60 : 133,542,014.40 = 73,722,508.80 : x
  2. Step 2: Convert to fraction form
    89,028,009.60/133,542,014.40 = 73,722,508.80/x
  3. Step 3: Cross multiply
    89,028,009.60x = 133,542,014.40 × 73,722,508.80
  4. Step 4: Simplify right side
    89,028,009.60x = 9,845,052,331,773,726
  5. Step 5: Solve for x
    x = 9,845,052,331,773,726/89,028,009.60
  6. Step 6: Final answer
    x = 110,583,763.20

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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.