Home / 70,297,912-105,463,703.45-29,334,564.13

Finding the Fourth Proportional to 70,297,912, 105,463,703.45 and 29,334,564.13

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Solution

The fourth proportional to 70,297,912, 105,463,703.45 and 29,334,564.13 is: 44,008,871.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,297,912 : 105,463,703.45 = 29,334,564.13 : x
  2. Step 2: Convert to fraction form
    70,297,912/105,463,703.45 = 29,334,564.13/x
  3. Step 3: Cross multiply
    70,297,912x = 105,463,703.45 × 29,334,564.13
  4. Step 4: Simplify right side
    70,297,912x = 3,093,731,772,241,327
  5. Step 5: Solve for x
    x = 3,093,731,772,241,327/70,297,912
  6. Step 6: Final answer
    x = 44,008,871.45

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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.