Home / 165,597,430.20-248,396,145.30-133,312,389.45

Finding the Fourth Proportional to 165,597,430.20, 248,396,145.30 and 133,312,389.45

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Solution

The fourth proportional to 165,597,430.20, 248,396,145.30 and 133,312,389.45 is: 199,968,584.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,597,430.20 : 248,396,145.30 = 133,312,389.45 : x
  2. Step 2: Convert to fraction form
    165,597,430.20/248,396,145.30 = 133,312,389.45/x
  3. Step 3: Cross multiply
    165,597,430.20x = 248,396,145.30 × 133,312,389.45
  4. Step 4: Simplify right side
    165,597,430.20x = 33,114,283,660,112,388
  5. Step 5: Solve for x
    x = 33,114,283,660,112,388/165,597,430.20
  6. Step 6: Final answer
    x = 199,968,584.18

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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.