Home / 115,890,652.49-159,929,063.82-63,683,051.18

Finding the Fourth Proportional to 115,890,652.49, 159,929,063.82 and 63,683,051.18

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Solution

The fourth proportional to 115,890,652.49, 159,929,063.82 and 63,683,051.18 is: 87,882,590.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,890,652.49 : 159,929,063.82 = 63,683,051.18 : x
  2. Step 2: Convert to fraction form
    115,890,652.49/159,929,063.82 = 63,683,051.18/x
  3. Step 3: Cross multiply
    115,890,652.49x = 159,929,063.82 × 63,683,051.18
  4. Step 4: Simplify right side
    115,890,652.49x = 10,184,770,755,618,900
  5. Step 5: Solve for x
    x = 10,184,770,755,618,900/115,890,652.49
  6. Step 6: Final answer
    x = 87,882,590.50

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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.