Home / 243,563,426.24-335,792,378.40-193,493,775.68

Finding the Fourth Proportional to 243,563,426.24, 335,792,378.40 and 193,493,775.68

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Solution

The fourth proportional to 243,563,426.24, 335,792,378.40 and 193,493,775.68 is: 266,763,102.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,563,426.24 : 335,792,378.40 = 193,493,775.68 : x
  2. Step 2: Convert to fraction form
    243,563,426.24/335,792,378.40 = 193,493,775.68/x
  3. Step 3: Cross multiply
    243,563,426.24x = 335,792,378.40 × 193,493,775.68
  4. Step 4: Simplify right side
    243,563,426.24x = 64,973,735,141,183,272
  5. Step 5: Solve for x
    x = 64,973,735,141,183,272/243,563,426.24
  6. Step 6: Final answer
    x = 266,763,102.10

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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.