Home / 160,495,808.72-221,486,780.04-90,879,302.48

Finding the Fourth Proportional to 160,495,808.72, 221,486,780.04 and 90,879,302.48

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Solution

The fourth proportional to 160,495,808.72, 221,486,780.04 and 90,879,302.48 is: 125,414,889.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,495,808.72 : 221,486,780.04 = 90,879,302.48 : x
  2. Step 2: Convert to fraction form
    160,495,808.72/221,486,780.04 = 90,879,302.48/x
  3. Step 3: Cross multiply
    160,495,808.72x = 221,486,780.04 × 90,879,302.48
  4. Step 4: Simplify right side
    160,495,808.72x = 20,128,564,078,576,388
  5. Step 5: Solve for x
    x = 20,128,564,078,576,388/160,495,808.72
  6. Step 6: Final answer
    x = 125,414,889.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.