Home / 315,631,176.60-435,552,229-174,493,940.80

Finding the Fourth Proportional to 315,631,176.60, 435,552,229 and 174,493,940.80

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Solution

The fourth proportional to 315,631,176.60, 435,552,229 and 174,493,940.80 is: 240,791,247.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,631,176.60 : 435,552,229 = 174,493,940.80 : x
  2. Step 2: Convert to fraction form
    315,631,176.60/435,552,229 = 174,493,940.80/x
  3. Step 3: Cross multiply
    315,631,176.60x = 435,552,229 × 174,493,940.80
  4. Step 4: Simplify right side
    315,631,176.60x = 76,001,224,862,434,048
  5. Step 5: Solve for x
    x = 76,001,224,862,434,048/315,631,176.60
  6. Step 6: Final answer
    x = 240,791,247.81

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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.