Home / 131,862,391.20-197,793,586.80-91,047,722.40

Finding the Fourth Proportional to 131,862,391.20, 197,793,586.80 and 91,047,722.40

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Solution

The fourth proportional to 131,862,391.20, 197,793,586.80 and 91,047,722.40 is: 136,571,583.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,862,391.20 : 197,793,586.80 = 91,047,722.40 : x
  2. Step 2: Convert to fraction form
    131,862,391.20/197,793,586.80 = 91,047,722.40/x
  3. Step 3: Cross multiply
    131,862,391.20x = 197,793,586.80 × 91,047,722.40
  4. Step 4: Simplify right side
    131,862,391.20x = 18,008,655,583,466,706
  5. Step 5: Solve for x
    x = 18,008,655,583,466,706/131,862,391.20
  6. Step 6: Final answer
    x = 136,571,583.60

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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.