Home / 148,623,946.77-205,101,521.79-82,544,433.12

Finding the Fourth Proportional to 148,623,946.77, 205,101,521.79 and 82,544,433.12

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Solution

The fourth proportional to 148,623,946.77, 205,101,521.79 and 82,544,433.12 is: 113,911,581.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,623,946.77 : 205,101,521.79 = 82,544,433.12 : x
  2. Step 2: Convert to fraction form
    148,623,946.77/205,101,521.79 = 82,544,433.12/x
  3. Step 3: Cross multiply
    148,623,946.77x = 205,101,521.79 × 82,544,433.12
  4. Step 4: Simplify right side
    148,623,946.77x = 16,929,988,848,204,878
  5. Step 5: Solve for x
    x = 16,929,988,848,204,878/148,623,946.77
  6. Step 6: Final answer
    x = 113,911,581.65

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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.