Home / 100,602,764.80-150,904,147.20-87,848,180.80

Finding the Fourth Proportional to 100,602,764.80, 150,904,147.20 and 87,848,180.80

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Solution

The fourth proportional to 100,602,764.80, 150,904,147.20 and 87,848,180.80 is: 131,772,271.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,602,764.80 : 150,904,147.20 = 87,848,180.80 : x
  2. Step 2: Convert to fraction form
    100,602,764.80/150,904,147.20 = 87,848,180.80/x
  3. Step 3: Cross multiply
    100,602,764.80x = 150,904,147.20 × 87,848,180.80
  4. Step 4: Simplify right side
    100,602,764.80x = 13,256,654,806,695,412
  5. Step 5: Solve for x
    x = 13,256,654,806,695,412/100,602,764.80
  6. Step 6: Final answer
    x = 131,772,271.20

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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.