Home / 260,963,501.82-391,597,894.40-97,314,315.90

Finding the Fourth Proportional to 260,963,501.82, 391,597,894.40 and 97,314,315.90

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Solution

The fourth proportional to 260,963,501.82, 391,597,894.40 and 97,314,315.90 is: 146,028,394.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,963,501.82 : 391,597,894.40 = 97,314,315.90 : x
  2. Step 2: Convert to fraction form
    260,963,501.82/391,597,894.40 = 97,314,315.90/x
  3. Step 3: Cross multiply
    260,963,501.82x = 391,597,894.40 × 97,314,315.90
  4. Step 4: Simplify right side
    260,963,501.82x = 38,108,081,200,929,872
  5. Step 5: Solve for x
    x = 38,108,081,200,929,872/260,963,501.82
  6. Step 6: Final answer
    x = 146,028,394.53

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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.