Home / 280,164,252.63-386,622,632.82-154,721,756.39

Finding the Fourth Proportional to 280,164,252.63, 386,622,632.82 and 154,721,756.39

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Solution

The fourth proportional to 280,164,252.63, 386,622,632.82 and 154,721,756.39 is: 213,513,795.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,164,252.63 : 386,622,632.82 = 154,721,756.39 : x
  2. Step 2: Convert to fraction form
    280,164,252.63/386,622,632.82 = 154,721,756.39/x
  3. Step 3: Cross multiply
    280,164,252.63x = 386,622,632.82 × 154,721,756.39
  4. Step 4: Simplify right side
    280,164,252.63x = 59,818,932,810,856,368
  5. Step 5: Solve for x
    x = 59,818,932,810,856,368/280,164,252.63
  6. Step 6: Final answer
    x = 213,513,795.03

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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.