Home / 40,128,009.60-60,192,014.40-39,904,060.80

Finding the Fourth Proportional to 40,128,009.60, 60,192,014.40 and 39,904,060.80

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Solution

The fourth proportional to 40,128,009.60, 60,192,014.40 and 39,904,060.80 is: 59,856,091.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,128,009.60 : 60,192,014.40 = 39,904,060.80 : x
  2. Step 2: Convert to fraction form
    40,128,009.60/60,192,014.40 = 39,904,060.80/x
  3. Step 3: Cross multiply
    40,128,009.60x = 60,192,014.40 × 39,904,060.80
  4. Step 4: Simplify right side
    40,128,009.60x = 2,401,905,802,292,075.50
  5. Step 5: Solve for x
    x = 2,401,905,802,292,075.50/40,128,009.60
  6. Step 6: Final answer
    x = 59,856,091.20

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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.