Home / 82,689,472-114,111,471.36-46,028,703.52

Finding the Fourth Proportional to 82,689,472, 114,111,471.36 and 46,028,703.52

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Solution

The fourth proportional to 82,689,472, 114,111,471.36 and 46,028,703.52 is: 63,519,610.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,689,472 : 114,111,471.36 = 46,028,703.52 : x
  2. Step 2: Convert to fraction form
    82,689,472/114,111,471.36 = 46,028,703.52/x
  3. Step 3: Cross multiply
    82,689,472x = 114,111,471.36 × 46,028,703.52
  4. Step 4: Simplify right side
    82,689,472x = 5,252,403,083,460,412
  5. Step 5: Solve for x
    x = 5,252,403,083,460,412/82,689,472
  6. Step 6: Final answer
    x = 63,519,610.86

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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.