Home / 274,632,030.78-411,915,409.65-90,353,807.58

Finding the Fourth Proportional to 274,632,030.78, 411,915,409.65 and 90,353,807.58

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Solution

The fourth proportional to 274,632,030.78, 411,915,409.65 and 90,353,807.58 is: 135,519,973.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,632,030.78 : 411,915,409.65 = 90,353,807.58 : x
  2. Step 2: Convert to fraction form
    274,632,030.78/411,915,409.65 = 90,353,807.58/x
  3. Step 3: Cross multiply
    274,632,030.78x = 411,915,409.65 × 90,353,807.58
  4. Step 4: Simplify right side
    274,632,030.78x = 37,218,125,662,752,976
  5. Step 5: Solve for x
    x = 37,218,125,662,752,976/274,632,030.78
  6. Step 6: Final answer
    x = 135,519,973.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.