Home / 99,080,696.40-148,621,044.60-90,152,487.60

Finding the Fourth Proportional to 99,080,696.40, 148,621,044.60 and 90,152,487.60

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Solution

The fourth proportional to 99,080,696.40, 148,621,044.60 and 90,152,487.60 is: 135,228,731.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,080,696.40 : 148,621,044.60 = 90,152,487.60 : x
  2. Step 2: Convert to fraction form
    99,080,696.40/148,621,044.60 = 90,152,487.60/x
  3. Step 3: Cross multiply
    99,080,696.40x = 148,621,044.60 × 90,152,487.60
  4. Step 4: Simplify right side
    99,080,696.40x = 13,398,556,880,400,546
  5. Step 5: Solve for x
    x = 13,398,556,880,400,546/99,080,696.40
  6. Step 6: Final answer
    x = 135,228,731.40

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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.