Home / 242,637,409.20-363,956,113.80-161,008,071.60

Finding the Fourth Proportional to 242,637,409.20, 363,956,113.80 and 161,008,071.60

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Solution

The fourth proportional to 242,637,409.20, 363,956,113.80 and 161,008,071.60 is: 241,512,107.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,637,409.20 : 363,956,113.80 = 161,008,071.60 : x
  2. Step 2: Convert to fraction form
    242,637,409.20/363,956,113.80 = 161,008,071.60/x
  3. Step 3: Cross multiply
    242,637,409.20x = 363,956,113.80 × 161,008,071.60
  4. Step 4: Simplify right side
    242,637,409.20x = 58,599,872,029,968,144
  5. Step 5: Solve for x
    x = 58,599,872,029,968,144/242,637,409.20
  6. Step 6: Final answer
    x = 241,512,107.40

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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.