Home / 89,751,131.10-134,626,696.65-74,445,630.30

Finding the Fourth Proportional to 89,751,131.10, 134,626,696.65 and 74,445,630.30

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Solution

The fourth proportional to 89,751,131.10, 134,626,696.65 and 74,445,630.30 is: 111,668,445.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,751,131.10 : 134,626,696.65 = 74,445,630.30 : x
  2. Step 2: Convert to fraction form
    89,751,131.10/134,626,696.65 = 74,445,630.30/x
  3. Step 3: Cross multiply
    89,751,131.10x = 134,626,696.65 × 74,445,630.30
  4. Step 4: Simplify right side
    89,751,131.10x = 10,022,369,287,316,148
  5. Step 5: Solve for x
    x = 10,022,369,287,316,148/89,751,131.10
  6. Step 6: Final answer
    x = 111,668,445.45

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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.