Home / 144,051,211.53-198,809,595.59-82,157,361.93

Finding the Fourth Proportional to 144,051,211.53, 198,809,595.59 and 82,157,361.93

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Solution

The fourth proportional to 144,051,211.53, 198,809,595.59 and 82,157,361.93 is: 113,387,952.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,051,211.53 : 198,809,595.59 = 82,157,361.93 : x
  2. Step 2: Convert to fraction form
    144,051,211.53/198,809,595.59 = 82,157,361.93/x
  3. Step 3: Cross multiply
    144,051,211.53x = 198,809,595.59 × 82,157,361.93
  4. Step 4: Simplify right side
    144,051,211.53x = 16,333,671,899,633,778
  5. Step 5: Solve for x
    x = 16,333,671,899,633,778/144,051,211.53
  6. Step 6: Final answer
    x = 113,387,952.29

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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.