Home / 156,704,328.40-235,056,492.60-131,622,062.80

Finding the Fourth Proportional to 156,704,328.40, 235,056,492.60 and 131,622,062.80

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Solution

The fourth proportional to 156,704,328.40, 235,056,492.60 and 131,622,062.80 is: 197,433,094.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,704,328.40 : 235,056,492.60 = 131,622,062.80 : x
  2. Step 2: Convert to fraction form
    156,704,328.40/235,056,492.60 = 131,622,062.80/x
  3. Step 3: Cross multiply
    156,704,328.40x = 235,056,492.60 × 131,622,062.80
  4. Step 4: Simplify right side
    156,704,328.40x = 30,938,620,430,544,932
  5. Step 5: Solve for x
    x = 30,938,620,430,544,932/156,704,328.40
  6. Step 6: Final answer
    x = 197,433,094.20

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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.