Home / 249,523,765.20-374,250,218.40-85,769,078.40

Finding the Fourth Proportional to 249,523,765.20, 374,250,218.40 and 85,769,078.40

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Solution

The fourth proportional to 249,523,765.20, 374,250,218.40 and 85,769,078.40 is: 128,641,439.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,523,765.20 : 374,250,218.40 = 85,769,078.40 : x
  2. Step 2: Convert to fraction form
    249,523,765.20/374,250,218.40 = 85,769,078.40/x
  3. Step 3: Cross multiply
    249,523,765.20x = 374,250,218.40 × 85,769,078.40
  4. Step 4: Simplify right side
    249,523,765.20x = 32,099,096,323,166,724
  5. Step 5: Solve for x
    x = 32,099,096,323,166,724/249,523,765.20
  6. Step 6: Final answer
    x = 128,641,439.41

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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.