Home / 89,989,911,948.37-134,890,377,006.38-30,277,843,764.80

Finding the Fourth Proportional to 89,989,911,948.37, 134,890,377,006.38 and 30,277,843,764.80

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Solution

The fourth proportional to 89,989,911,948.37, 134,890,377,006.38 and 30,277,843,764.80 is: 45,384,973,403.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,989,911,948.37 : 134,890,377,006.38 = 30,277,843,764.80 : x
  2. Step 2: Convert to fraction form
    89,989,911,948.37/134,890,377,006.38 = 30,277,843,764.80/x
  3. Step 3: Cross multiply
    89,989,911,948.37x = 134,890,377,006.38 × 30,277,843,764.80
  4. Step 4: Simplify right side
    89,989,911,948.37x = 4,084,189,760,374,683,729,920
  5. Step 5: Solve for x
    x = 4,084,189,760,374,683,729,920/89,989,911,948.37
  6. Step 6: Final answer
    x = 45,384,973,403.66

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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.