Home / 82,678,130.13-114,094,914.10-45,507,615.69

Finding the Fourth Proportional to 82,678,130.13, 114,094,914.10 and 45,507,615.69

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Solution

The fourth proportional to 82,678,130.13, 114,094,914.10 and 45,507,615.69 is: 62,800,011.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,678,130.13 : 114,094,914.10 = 45,507,615.69 : x
  2. Step 2: Convert to fraction form
    82,678,130.13/114,094,914.10 = 45,507,615.69/x
  3. Step 3: Cross multiply
    82,678,130.13x = 114,094,914.10 × 45,507,615.69
  4. Step 4: Simplify right side
    82,678,130.13x = 5,192,187,503,046,362
  5. Step 5: Solve for x
    x = 5,192,187,503,046,362/82,678,130.13
  6. Step 6: Final answer
    x = 62,800,011.26

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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.