Home / 279,504,056.76-385,744,300.56-168,030,985.92

Finding the Fourth Proportional to 279,504,056.76, 385,744,300.56 and 168,030,985.92

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Solution

The fourth proportional to 279,504,056.76, 385,744,300.56 and 168,030,985.92 is: 231,900,015.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,504,056.76 : 385,744,300.56 = 168,030,985.92 : x
  2. Step 2: Convert to fraction form
    279,504,056.76/385,744,300.56 = 168,030,985.92/x
  3. Step 3: Cross multiply
    279,504,056.76x = 385,744,300.56 × 168,030,985.92
  4. Step 4: Simplify right side
    279,504,056.76x = 64,816,995,136,117,600
  5. Step 5: Solve for x
    x = 64,816,995,136,117,600/279,504,056.76
  6. Step 6: Final answer
    x = 231,900,015.65

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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.