Home / 167,985,043.20-251,977,564.80-53,004,830.40

Finding the Fourth Proportional to 167,985,043.20, 251,977,564.80 and 53,004,830.40

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Solution

The fourth proportional to 167,985,043.20, 251,977,564.80 and 53,004,830.40 is: 79,507,245.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,985,043.20 : 251,977,564.80 = 53,004,830.40 : x
  2. Step 2: Convert to fraction form
    167,985,043.20/251,977,564.80 = 53,004,830.40/x
  3. Step 3: Cross multiply
    167,985,043.20x = 251,977,564.80 × 53,004,830.40
  4. Step 4: Simplify right side
    167,985,043.20x = 13,356,028,086,829,010
  5. Step 5: Solve for x
    x = 13,356,028,086,829,010/167,985,043.20
  6. Step 6: Final answer
    x = 79,507,245.60

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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.