Home / 243,106,712.96-335,487,109.92-133,098,396.80

Finding the Fourth Proportional to 243,106,712.96, 335,487,109.92 and 133,098,396.80

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Solution

The fourth proportional to 243,106,712.96, 335,487,109.92 and 133,098,396.80 is: 183,675,703.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,106,712.96 : 335,487,109.92 = 133,098,396.80 : x
  2. Step 2: Convert to fraction form
    243,106,712.96/335,487,109.92 = 133,098,396.80/x
  3. Step 3: Cross multiply
    243,106,712.96x = 335,487,109.92 × 133,098,396.80
  4. Step 4: Simplify right side
    243,106,712.96x = 44,652,796,477,417,376
  5. Step 5: Solve for x
    x = 44,652,796,477,417,376/243,106,712.96
  6. Step 6: Final answer
    x = 183,675,703.29

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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.