Home / 287,089,527.68-396,178,493.28-163,327,567.04

Finding the Fourth Proportional to 287,089,527.68, 396,178,493.28 and 163,327,567.04

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Solution

The fourth proportional to 287,089,527.68, 396,178,493.28 and 163,327,567.04 is: 225,389,166.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,089,527.68 : 396,178,493.28 = 163,327,567.04 : x
  2. Step 2: Convert to fraction form
    287,089,527.68/396,178,493.28 = 163,327,567.04/x
  3. Step 3: Cross multiply
    287,089,527.68x = 396,178,493.28 × 163,327,567.04
  4. Step 4: Simplify right side
    287,089,527.68x = 64,706,869,420,995,384
  5. Step 5: Solve for x
    x = 64,706,869,420,995,384/287,089,527.68
  6. Step 6: Final answer
    x = 225,389,166.73

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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.