Home / 70,389,910.84-105,448,675.02-39,590,912

Finding the Fourth Proportional to 70,389,910.84, 105,448,675.02 and 39,590,912

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Solution

The fourth proportional to 70,389,910.84, 105,448,675.02 and 39,590,912 is: 59,309,767.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,389,910.84 : 105,448,675.02 = 39,590,912 : x
  2. Step 2: Convert to fraction form
    70,389,910.84/105,448,675.02 = 39,590,912/x
  3. Step 3: Cross multiply
    70,389,910.84x = 105,448,675.02 × 39,590,912
  4. Step 4: Simplify right side
    70,389,910.84x = 4,174,809,213,233,418
  5. Step 5: Solve for x
    x = 4,174,809,213,233,418/70,389,910.84
  6. Step 6: Final answer
    x = 59,309,767.03

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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.