Home / 131,178,840.40-196,768,260.60-44,909,563.60

Finding the Fourth Proportional to 131,178,840.40, 196,768,260.60 and 44,909,563.60

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Solution

The fourth proportional to 131,178,840.40, 196,768,260.60 and 44,909,563.60 is: 67,364,345.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,178,840.40 : 196,768,260.60 = 44,909,563.60 : x
  2. Step 2: Convert to fraction form
    131,178,840.40/196,768,260.60 = 44,909,563.60/x
  3. Step 3: Cross multiply
    131,178,840.40x = 196,768,260.60 × 44,909,563.60
  4. Step 4: Simplify right side
    131,178,840.40x = 8,836,776,713,877,074
  5. Step 5: Solve for x
    x = 8,836,776,713,877,074/131,178,840.40
  6. Step 6: Final answer
    x = 67,364,345.40

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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.