Home / 210,384,820.40-315,577,230.60-118,551,815.60

Finding the Fourth Proportional to 210,384,820.40, 315,577,230.60 and 118,551,815.60

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Solution

The fourth proportional to 210,384,820.40, 315,577,230.60 and 118,551,815.60 is: 177,827,723.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,384,820.40 : 315,577,230.60 = 118,551,815.60 : x
  2. Step 2: Convert to fraction form
    210,384,820.40/315,577,230.60 = 118,551,815.60/x
  3. Step 3: Cross multiply
    210,384,820.40x = 315,577,230.60 × 118,551,815.60
  4. Step 4: Simplify right side
    210,384,820.40x = 37,412,253,649,649,880
  5. Step 5: Solve for x
    x = 37,412,253,649,649,880/210,384,820.40
  6. Step 6: Final answer
    x = 177,827,723.40

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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.