Home / 102,211,466.80-153,317,200.20-73,396,721.20

Finding the Fourth Proportional to 102,211,466.80, 153,317,200.20 and 73,396,721.20

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Solution

The fourth proportional to 102,211,466.80, 153,317,200.20 and 73,396,721.20 is: 110,095,081.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,211,466.80 : 153,317,200.20 = 73,396,721.20 : x
  2. Step 2: Convert to fraction form
    102,211,466.80/153,317,200.20 = 73,396,721.20/x
  3. Step 3: Cross multiply
    102,211,466.80x = 153,317,200.20 × 73,396,721.20
  4. Step 4: Simplify right side
    102,211,466.80x = 11,252,979,798,243,984
  5. Step 5: Solve for x
    x = 11,252,979,798,243,984/102,211,466.80
  6. Step 6: Final answer
    x = 110,095,081.80

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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.