Home / 132,089,999.40-198,134,999.10-70,867,996.20

Finding the Fourth Proportional to 132,089,999.40, 198,134,999.10 and 70,867,996.20

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Solution

The fourth proportional to 132,089,999.40, 198,134,999.10 and 70,867,996.20 is: 106,301,994.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,089,999.40 : 198,134,999.10 = 70,867,996.20 : x
  2. Step 2: Convert to fraction form
    132,089,999.40/198,134,999.10 = 70,867,996.20/x
  3. Step 3: Cross multiply
    132,089,999.40x = 198,134,999.10 × 70,867,996.20
  4. Step 4: Simplify right side
    132,089,999.40x = 14,041,430,363,305,804
  5. Step 5: Solve for x
    x = 14,041,430,363,305,804/132,089,999.40
  6. Step 6: Final answer
    x = 106,301,994.30

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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.