Home / 90,742,874,793.07-136,112,443,032.72-30,241,545,979.97

Finding the Fourth Proportional to 90,742,874,793.07, 136,112,443,032.72 and 30,241,545,979.97

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Solution

The fourth proportional to 90,742,874,793.07, 136,112,443,032.72 and 30,241,545,979.97 is: 45,361,696,042.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,742,874,793.07 : 136,112,443,032.72 = 30,241,545,979.97 : x
  2. Step 2: Convert to fraction form
    90,742,874,793.07/136,112,443,032.72 = 30,241,545,979.97/x
  3. Step 3: Cross multiply
    90,742,874,793.07x = 136,112,443,032.72 × 30,241,545,979.97
  4. Step 4: Simplify right side
    90,742,874,793.07x = 4,116,250,704,420,185,571,328
  5. Step 5: Solve for x
    x = 4,116,250,704,420,185,571,328/90,742,874,793.07
  6. Step 6: Final answer
    x = 45,361,696,042.88

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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.