Home / 103,958,223.26-143,470,315.80-59,305,178.50

Finding the Fourth Proportional to 103,958,223.26, 143,470,315.80 and 59,305,178.50

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Solution

The fourth proportional to 103,958,223.26, 143,470,315.80 and 59,305,178.50 is: 81,845,691.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,958,223.26 : 143,470,315.80 = 59,305,178.50 : x
  2. Step 2: Convert to fraction form
    103,958,223.26/143,470,315.80 = 59,305,178.50/x
  3. Step 3: Cross multiply
    103,958,223.26x = 143,470,315.80 × 59,305,178.50
  4. Step 4: Simplify right side
    103,958,223.26x = 8,508,532,687,611,696
  5. Step 5: Solve for x
    x = 8,508,532,687,611,696/103,958,223.26
  6. Step 6: Final answer
    x = 81,845,691.68

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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.