Home / 82,463,013.37-113,818,776.76-47,201,261.79

Finding the Fourth Proportional to 82,463,013.37, 113,818,776.76 and 47,201,261.79

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Solution

The fourth proportional to 82,463,013.37, 113,818,776.76 and 47,201,261.79 is: 65,149,085.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,463,013.37 : 113,818,776.76 = 47,201,261.79 : x
  2. Step 2: Convert to fraction form
    82,463,013.37/113,818,776.76 = 47,201,261.79/x
  3. Step 3: Cross multiply
    82,463,013.37x = 113,818,776.76 × 47,201,261.79
  4. Step 4: Simplify right side
    82,463,013.37x = 5,372,389,878,230,321
  5. Step 5: Solve for x
    x = 5,372,389,878,230,321/82,463,013.37
  6. Step 6: Final answer
    x = 65,149,085.13

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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.