Home / 89,173,804.80-133,760,707.20-53,341,996.80

Finding the Fourth Proportional to 89,173,804.80, 133,760,707.20 and 53,341,996.80

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Solution

The fourth proportional to 89,173,804.80, 133,760,707.20 and 53,341,996.80 is: 80,012,995.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,173,804.80 : 133,760,707.20 = 53,341,996.80 : x
  2. Step 2: Convert to fraction form
    89,173,804.80/133,760,707.20 = 53,341,996.80/x
  3. Step 3: Cross multiply
    89,173,804.80x = 133,760,707.20 × 53,341,996.80
  4. Step 4: Simplify right side
    89,173,804.80x = 7,135,063,215,428,137
  5. Step 5: Solve for x
    x = 7,135,063,215,428,137/89,173,804.80
  6. Step 6: Final answer
    x = 80,012,995.20

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Similar ratio
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1.5x scale

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.