Home / 66,802,911.21-92,186,453.03-39,302,607.69

Finding the Fourth Proportional to 66,802,911.21, 92,186,453.03 and 39,302,607.69

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Solution

The fourth proportional to 66,802,911.21, 92,186,453.03 and 39,302,607.69 is: 54,236,678.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,802,911.21 : 92,186,453.03 = 39,302,607.69 : x
  2. Step 2: Convert to fraction form
    66,802,911.21/92,186,453.03 = 39,302,607.69/x
  3. Step 3: Cross multiply
    66,802,911.21x = 92,186,453.03 × 39,302,607.69
  4. Step 4: Simplify right side
    66,802,911.21x = 3,623,167,997,574,189
  5. Step 5: Solve for x
    x = 3,623,167,997,574,189/66,802,911.21
  6. Step 6: Final answer
    x = 54,236,678.19

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.