Home / 99,153,724.38-136,835,458.50-55,102,579.89

Finding the Fourth Proportional to 99,153,724.38, 136,835,458.50 and 55,102,579.89

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Solution

The fourth proportional to 99,153,724.38, 136,835,458.50 and 55,102,579.89 is: 76,043,404.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,153,724.38 : 136,835,458.50 = 55,102,579.89 : x
  2. Step 2: Convert to fraction form
    99,153,724.38/136,835,458.50 = 55,102,579.89/x
  3. Step 3: Cross multiply
    99,153,724.38x = 136,835,458.50 × 55,102,579.89
  4. Step 4: Simplify right side
    99,153,724.38x = 7,539,986,783,781,030
  5. Step 5: Solve for x
    x = 7,539,986,783,781,030/99,153,724.38
  6. Step 6: Final answer
    x = 76,043,404.63

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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.