Home / 210,649,851.60-315,974,777.40-185,140,683.60

Finding the Fourth Proportional to 210,649,851.60, 315,974,777.40 and 185,140,683.60

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Solution

The fourth proportional to 210,649,851.60, 315,974,777.40 and 185,140,683.60 is: 277,711,025.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,649,851.60 : 315,974,777.40 = 185,140,683.60 : x
  2. Step 2: Convert to fraction form
    210,649,851.60/315,974,777.40 = 185,140,683.60/x
  3. Step 3: Cross multiply
    210,649,851.60x = 315,974,777.40 × 185,140,683.60
  4. Step 4: Simplify right side
    210,649,851.60x = 58,499,786,288,193,824
  5. Step 5: Solve for x
    x = 58,499,786,288,193,824/210,649,851.60
  6. Step 6: Final answer
    x = 277,711,025.40

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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.