Home / 243,387,347.56-335,990,357.22-163,057,657.84

Finding the Fourth Proportional to 243,387,347.56, 335,990,357.22 and 163,057,657.84

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Solution

The fourth proportional to 243,387,347.56, 335,990,357.22 and 163,057,657.84 is: 225,097,159.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,387,347.56 : 335,990,357.22 = 163,057,657.84 : x
  2. Step 2: Convert to fraction form
    243,387,347.56/335,990,357.22 = 163,057,657.84/x
  3. Step 3: Cross multiply
    243,387,347.56x = 335,990,357.22 × 163,057,657.84
  4. Step 4: Simplify right side
    243,387,347.56x = 54,785,800,705,118,136
  5. Step 5: Solve for x
    x = 54,785,800,705,118,136/243,387,347.56
  6. Step 6: Final answer
    x = 225,097,159.96

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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.