Home / 82,509,090,811.92-123,763,481,730.92-25,853,291,079.02

Finding the Fourth Proportional to 82,509,090,811.92, 123,763,481,730.92 and 25,853,291,079.02

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Solution

The fourth proportional to 82,509,090,811.92, 123,763,481,730.92 and 25,853,291,079.02 is: 38,779,888,211.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,509,090,811.92 : 123,763,481,730.92 = 25,853,291,079.02 : x
  2. Step 2: Convert to fraction form
    82,509,090,811.92/123,763,481,730.92 = 25,853,291,079.02/x
  3. Step 3: Cross multiply
    82,509,090,811.92x = 123,763,481,730.92 × 25,853,291,079.02
  4. Step 4: Simplify right side
    82,509,090,811.92x = 3,199,693,318,142,696,095,744
  5. Step 5: Solve for x
    x = 3,199,693,318,142,696,095,744/82,509,090,811.92
  6. Step 6: Final answer
    x = 38,779,888,211.79

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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.