Home / 166,638,478.24-249,997,608.24-69,540,168.88

Finding the Fourth Proportional to 166,638,478.24, 249,997,608.24 and 69,540,168.88

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Solution

The fourth proportional to 166,638,478.24, 249,997,608.24 and 69,540,168.88 is: 104,326,900.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,638,478.24 : 249,997,608.24 = 69,540,168.88 : x
  2. Step 2: Convert to fraction form
    166,638,478.24/249,997,608.24 = 69,540,168.88/x
  3. Step 3: Cross multiply
    166,638,478.24x = 249,997,608.24 × 69,540,168.88
  4. Step 4: Simplify right side
    166,638,478.24x = 17,384,875,896,605,680
  5. Step 5: Solve for x
    x = 17,384,875,896,605,680/166,638,478.24
  6. Step 6: Final answer
    x = 104,326,900.25

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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.