Home / 280,084,270.73-386,516,828.48-154,636,709.36

Finding the Fourth Proportional to 280,084,270.73, 386,516,828.48 and 154,636,709.36

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Solution

The fourth proportional to 280,084,270.73, 386,516,828.48 and 154,636,709.36 is: 213,398,954.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,084,270.73 : 386,516,828.48 = 154,636,709.36 : x
  2. Step 2: Convert to fraction form
    280,084,270.73/386,516,828.48 = 154,636,709.36/x
  3. Step 3: Cross multiply
    280,084,270.73x = 386,516,828.48 × 154,636,709.36
  4. Step 4: Simplify right side
    280,084,270.73x = 59,769,690,465,704,960
  5. Step 5: Solve for x
    x = 59,769,690,465,704,960/280,084,270.73
  6. Step 6: Final answer
    x = 213,398,954.22

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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.