Home / 89,172,755,755.50-133,771,698,704.55-28,646,737,971.93

Finding the Fourth Proportional to 89,172,755,755.50, 133,771,698,704.55 and 28,646,737,971.93

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Solution

The fourth proportional to 89,172,755,755.50, 133,771,698,704.55 and 28,646,737,971.93 is: 42,974,143,485.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,172,755,755.50 : 133,771,698,704.55 = 28,646,737,971.93 : x
  2. Step 2: Convert to fraction form
    89,172,755,755.50/133,771,698,704.55 = 28,646,737,971.93/x
  3. Step 3: Cross multiply
    89,172,755,755.50x = 133,771,698,704.55 × 28,646,737,971.93
  4. Step 4: Simplify right side
    89,172,755,755.50x = 3,832,122,800,849,211,621,376
  5. Step 5: Solve for x
    x = 3,832,122,800,849,211,621,376/89,172,755,755.50
  6. Step 6: Final answer
    x = 42,974,143,485.67

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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.