Home / 288,078,741.65-432,118,776.77-166,054,573.64

Finding the Fourth Proportional to 288,078,741.65, 432,118,776.77 and 166,054,573.64

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Solution

The fourth proportional to 288,078,741.65, 432,118,776.77 and 166,054,573.64 is: 249,082,243.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,078,741.65 : 432,118,776.77 = 166,054,573.64 : x
  2. Step 2: Convert to fraction form
    288,078,741.65/432,118,776.77 = 166,054,573.64/x
  3. Step 3: Cross multiply
    288,078,741.65x = 432,118,776.77 × 166,054,573.64
  4. Step 4: Simplify right side
    288,078,741.65x = 71,755,299,238,380,680
  5. Step 5: Solve for x
    x = 71,755,299,238,380,680/288,078,741.65
  6. Step 6: Final answer
    x = 249,082,243.37

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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.