Home / 82,678,118.76-114,094,898.47-45,507,604.32

Finding the Fourth Proportional to 82,678,118.76, 114,094,898.47 and 45,507,604.32

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Solution

The fourth proportional to 82,678,118.76, 114,094,898.47 and 45,507,604.32 is: 62,799,995.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,678,118.76 : 114,094,898.47 = 45,507,604.32 : x
  2. Step 2: Convert to fraction form
    82,678,118.76/114,094,898.47 = 45,507,604.32/x
  3. Step 3: Cross multiply
    82,678,118.76x = 114,094,898.47 × 45,507,604.32
  4. Step 4: Simplify right side
    82,678,118.76x = 5,192,185,494,389,564
  5. Step 5: Solve for x
    x = 5,192,185,494,389,564/82,678,118.76
  6. Step 6: Final answer
    x = 62,799,995.60

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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.