Home / 89,751,145.60-134,626,718.40-74,445,644.80

Finding the Fourth Proportional to 89,751,145.60, 134,626,718.40 and 74,445,644.80

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Solution

The fourth proportional to 89,751,145.60, 134,626,718.40 and 74,445,644.80 is: 111,668,467.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,751,145.60 : 134,626,718.40 = 74,445,644.80 : x
  2. Step 2: Convert to fraction form
    89,751,145.60/134,626,718.40 = 74,445,644.80/x
  3. Step 3: Cross multiply
    89,751,145.60x = 134,626,718.40 × 74,445,644.80
  4. Step 4: Simplify right side
    89,751,145.60x = 10,022,372,858,596,024
  5. Step 5: Solve for x
    x = 10,022,372,858,596,024/89,751,145.60
  6. Step 6: Final answer
    x = 111,668,467.20

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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.