Home / 148,514,724.80-222,772,087.20-87,133,289.30

Finding the Fourth Proportional to 148,514,724.80, 222,772,087.20 and 87,133,289.30

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Solution

The fourth proportional to 148,514,724.80, 222,772,087.20 and 87,133,289.30 is: 130,699,933.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,514,724.80 : 222,772,087.20 = 87,133,289.30 : x
  2. Step 2: Convert to fraction form
    148,514,724.80/222,772,087.20 = 87,133,289.30/x
  3. Step 3: Cross multiply
    148,514,724.80x = 222,772,087.20 × 87,133,289.30
  4. Step 4: Simplify right side
    148,514,724.80x = 19,410,864,721,962,424
  5. Step 5: Solve for x
    x = 19,410,864,721,962,424/148,514,724.80
  6. Step 6: Final answer
    x = 130,699,933.95

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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.