Home / 279,923,596.95-386,303,841.63-152,771,237.73

Finding the Fourth Proportional to 279,923,596.95, 386,303,841.63 and 152,771,237.73

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Solution

The fourth proportional to 279,923,596.95, 386,303,841.63 and 152,771,237.73 is: 210,829,371.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,923,596.95 : 386,303,841.63 = 152,771,237.73 : x
  2. Step 2: Convert to fraction form
    279,923,596.95/386,303,841.63 = 152,771,237.73/x
  3. Step 3: Cross multiply
    279,923,596.95x = 386,303,841.63 × 152,771,237.73
  4. Step 4: Simplify right side
    279,923,596.95x = 59,016,116,025,668,992
  5. Step 5: Solve for x
    x = 59,016,116,025,668,992/279,923,596.95
  6. Step 6: Final answer
    x = 210,829,371.55

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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.