Home / 78,883,678.40-118,093,274.40-58,778,052.80

Finding the Fourth Proportional to 78,883,678.40, 118,093,274.40 and 58,778,052.80

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Solution

The fourth proportional to 78,883,678.40, 118,093,274.40 and 58,778,052.80 is: 87,994,029.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,883,678.40 : 118,093,274.40 = 58,778,052.80 : x
  2. Step 2: Convert to fraction form
    78,883,678.40/118,093,274.40 = 58,778,052.80/x
  3. Step 3: Cross multiply
    78,883,678.40x = 118,093,274.40 × 58,778,052.80
  4. Step 4: Simplify right side
    78,883,678.40x = 6,941,292,718,008,088
  5. Step 5: Solve for x
    x = 6,941,292,718,008,088/78,883,678.40
  6. Step 6: Final answer
    x = 87,994,029.42

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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.