Home / 81,474,703.28-112,403,268.60-46,648,781.36

Finding the Fourth Proportional to 81,474,703.28, 112,403,268.60 and 46,648,781.36

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Solution

The fourth proportional to 81,474,703.28, 112,403,268.60 and 46,648,781.36 is: 64,357,098.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,474,703.28 : 112,403,268.60 = 46,648,781.36 : x
  2. Step 2: Convert to fraction form
    81,474,703.28/112,403,268.60 = 46,648,781.36/x
  3. Step 3: Cross multiply
    81,474,703.28x = 112,403,268.60 × 46,648,781.36
  4. Step 4: Simplify right side
    81,474,703.28x = 5,243,475,501,070,753
  5. Step 5: Solve for x
    x = 5,243,475,501,070,753/81,474,703.28
  6. Step 6: Final answer
    x = 64,357,098.46

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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.