Home / 81,242,359.81-112,114,456.55-46,435,797.59

Finding the Fourth Proportional to 81,242,359.81, 112,114,456.55 and 46,435,797.59

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Solution

The fourth proportional to 81,242,359.81, 112,114,456.55 and 46,435,797.59 is: 64,081,400.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,242,359.81 : 112,114,456.55 = 46,435,797.59 : x
  2. Step 2: Convert to fraction form
    81,242,359.81/112,114,456.55 = 46,435,797.59/x
  3. Step 3: Cross multiply
    81,242,359.81x = 112,114,456.55 × 46,435,797.59
  4. Step 4: Simplify right side
    81,242,359.81x = 5,206,124,211,268,650
  5. Step 5: Solve for x
    x = 5,206,124,211,268,650/81,242,359.81
  6. Step 6: Final answer
    x = 64,081,400.68

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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.