Home / 78,883,677.40-118,093,272.90-58,778,051.80

Finding the Fourth Proportional to 78,883,677.40, 118,093,272.90 and 58,778,051.80

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Solution

The fourth proportional to 78,883,677.40, 118,093,272.90 and 58,778,051.80 is: 87,994,027.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,883,677.40 : 118,093,272.90 = 58,778,051.80 : x
  2. Step 2: Convert to fraction form
    78,883,677.40/118,093,272.90 = 58,778,051.80/x
  3. Step 3: Cross multiply
    78,883,677.40x = 118,093,272.90 × 58,778,051.80
  4. Step 4: Simplify right side
    78,883,677.40x = 6,941,292,511,747,736
  5. Step 5: Solve for x
    x = 6,941,292,511,747,736/78,883,677.40
  6. Step 6: Final answer
    x = 87,994,027.92

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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.