Home / 160,405,070.71-221,353,270.22-90,788,956.92

Finding the Fourth Proportional to 160,405,070.71, 221,353,270.22 and 90,788,956.92

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Solution

The fourth proportional to 160,405,070.71, 221,353,270.22 and 90,788,956.92 is: 125,285,518.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,405,070.71 : 221,353,270.22 = 90,788,956.92 : x
  2. Step 2: Convert to fraction form
    160,405,070.71/221,353,270.22 = 90,788,956.92/x
  3. Step 3: Cross multiply
    160,405,070.71x = 221,353,270.22 × 90,788,956.92
  4. Step 4: Simplify right side
    160,405,070.71x = 20,096,432,514,104,700
  5. Step 5: Solve for x
    x = 20,096,432,514,104,700/160,405,070.71
  6. Step 6: Final answer
    x = 125,285,518.88

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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.