Home / 66,440,419.80-99,660,629.70-60,063,127.80

Finding the Fourth Proportional to 66,440,419.80, 99,660,629.70 and 60,063,127.80

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Solution

The fourth proportional to 66,440,419.80, 99,660,629.70 and 60,063,127.80 is: 90,094,691.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,440,419.80 : 99,660,629.70 = 60,063,127.80 : x
  2. Step 2: Convert to fraction form
    66,440,419.80/99,660,629.70 = 60,063,127.80/x
  3. Step 3: Cross multiply
    66,440,419.80x = 99,660,629.70 × 60,063,127.80
  4. Step 4: Simplify right side
    66,440,419.80x = 5,985,929,138,299,576
  5. Step 5: Solve for x
    x = 5,985,929,138,299,576/66,440,419.80
  6. Step 6: Final answer
    x = 90,094,691.70

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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.