Home / 331,126,417.81-456,810,873.98-197,089,176.45

Finding the Fourth Proportional to 331,126,417.81, 456,810,873.98 and 197,089,176.45

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Solution

The fourth proportional to 331,126,417.81, 456,810,873.98 and 197,089,176.45 is: 271,897,601.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,126,417.81 : 456,810,873.98 = 197,089,176.45 : x
  2. Step 2: Convert to fraction form
    331,126,417.81/456,810,873.98 = 197,089,176.45/x
  3. Step 3: Cross multiply
    331,126,417.81x = 456,810,873.98 × 197,089,176.45
  4. Step 4: Simplify right side
    331,126,417.81x = 90,032,478,945,137,488
  5. Step 5: Solve for x
    x = 90,032,478,945,137,488/331,126,417.81
  6. Step 6: Final answer
    x = 271,897,601.95

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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.