Home / 98,661,190.40-147,991,785.60-41,920,121.60

Finding the Fourth Proportional to 98,661,190.40, 147,991,785.60 and 41,920,121.60

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Solution

The fourth proportional to 98,661,190.40, 147,991,785.60 and 41,920,121.60 is: 62,880,182.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,661,190.40 : 147,991,785.60 = 41,920,121.60 : x
  2. Step 2: Convert to fraction form
    98,661,190.40/147,991,785.60 = 41,920,121.60/x
  3. Step 3: Cross multiply
    98,661,190.40x = 147,991,785.60 × 41,920,121.60
  4. Step 4: Simplify right side
    98,661,190.40x = 6,203,833,648,153,129
  5. Step 5: Solve for x
    x = 6,203,833,648,153,129/98,661,190.40
  6. Step 6: Final answer
    x = 62,880,182.40

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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.