Home / 89,285,733,156.81-133,882,095,990.46-42,109,540,211.28

Finding the Fourth Proportional to 89,285,733,156.81, 133,882,095,990.46 and 42,109,540,211.28

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Solution

The fourth proportional to 89,285,733,156.81, 133,882,095,990.46 and 42,109,540,211.28 is: 63,142,377,906.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,285,733,156.81 : 133,882,095,990.46 = 42,109,540,211.28 : x
  2. Step 2: Convert to fraction form
    89,285,733,156.81/133,882,095,990.46 = 42,109,540,211.28/x
  3. Step 3: Cross multiply
    89,285,733,156.81x = 133,882,095,990.46 × 42,109,540,211.28
  4. Step 4: Simplify right side
    89,285,733,156.81x = 5,637,713,504,681,126,264,832
  5. Step 5: Solve for x
    x = 5,637,713,504,681,126,264,832/89,285,733,156.81
  6. Step 6: Final answer
    x = 63,142,377,906.89

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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.