Home / 69,941,343.60-104,912,015.40-49,534,009.20

Finding the Fourth Proportional to 69,941,343.60, 104,912,015.40 and 49,534,009.20

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Solution

The fourth proportional to 69,941,343.60, 104,912,015.40 and 49,534,009.20 is: 74,301,013.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,941,343.60 : 104,912,015.40 = 49,534,009.20 : x
  2. Step 2: Convert to fraction form
    69,941,343.60/104,912,015.40 = 49,534,009.20/x
  3. Step 3: Cross multiply
    69,941,343.60x = 104,912,015.40 × 49,534,009.20
  4. Step 4: Simplify right side
    69,941,343.60x = 5,196,712,736,014,142
  5. Step 5: Solve for x
    x = 5,196,712,736,014,142/69,941,343.60
  6. Step 6: Final answer
    x = 74,301,013.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.