Home / 167,985,045.20-251,977,567.80-53,004,832.40

Finding the Fourth Proportional to 167,985,045.20, 251,977,567.80 and 53,004,832.40

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Solution

The fourth proportional to 167,985,045.20, 251,977,567.80 and 53,004,832.40 is: 79,507,248.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,985,045.20 : 251,977,567.80 = 53,004,832.40 : x
  2. Step 2: Convert to fraction form
    167,985,045.20/251,977,567.80 = 53,004,832.40/x
  3. Step 3: Cross multiply
    167,985,045.20x = 251,977,567.80 × 53,004,832.40
  4. Step 4: Simplify right side
    167,985,045.20x = 13,356,028,749,798,636
  5. Step 5: Solve for x
    x = 13,356,028,749,798,636/167,985,045.20
  6. Step 6: Final answer
    x = 79,507,248.60

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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.