Home / 217,509,705.84-326,255,710.45-53,743,338.30

Finding the Fourth Proportional to 217,509,705.84, 326,255,710.45 and 53,743,338.30

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Solution

The fourth proportional to 217,509,705.84, 326,255,710.45 and 53,743,338.30 is: 80,612,821.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,509,705.84 : 326,255,710.45 = 53,743,338.30 : x
  2. Step 2: Convert to fraction form
    217,509,705.84/326,255,710.45 = 53,743,338.30/x
  3. Step 3: Cross multiply
    217,509,705.84x = 326,255,710.45 × 53,743,338.30
  4. Step 4: Simplify right side
    217,509,705.84x = 17,534,071,019,021,194
  5. Step 5: Solve for x
    x = 17,534,071,019,021,194/217,509,705.84
  6. Step 6: Final answer
    x = 80,612,821.17

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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.