Home / 251,977,564.80-377,966,347.20-79,507,245.60

Finding the Fourth Proportional to 251,977,564.80, 377,966,347.20 and 79,507,245.60

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Solution

The fourth proportional to 251,977,564.80, 377,966,347.20 and 79,507,245.60 is: 119,260,868.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,977,564.80 : 377,966,347.20 = 79,507,245.60 : x
  2. Step 2: Convert to fraction form
    251,977,564.80/377,966,347.20 = 79,507,245.60/x
  3. Step 3: Cross multiply
    251,977,564.80x = 377,966,347.20 × 79,507,245.60
  4. Step 4: Simplify right side
    251,977,564.80x = 30,051,063,195,365,268
  5. Step 5: Solve for x
    x = 30,051,063,195,365,268/251,977,564.80
  6. Step 6: Final answer
    x = 119,260,868.40

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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.