Home / 156,196,673,033.10-215,534,174,172.06-87,593,968,614.32

Finding the Fourth Proportional to 156,196,673,033.10, 215,534,174,172.06 and 87,593,968,614.32

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Solution

The fourth proportional to 156,196,673,033.10, 215,534,174,172.06 and 87,593,968,614.32 is: 120,870,011,640.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,196,673,033.10 : 215,534,174,172.06 = 87,593,968,614.32 : x
  2. Step 2: Convert to fraction form
    156,196,673,033.10/215,534,174,172.06 = 87,593,968,614.32/x
  3. Step 3: Cross multiply
    156,196,673,033.10x = 215,534,174,172.06 × 87,593,968,614.32
  4. Step 4: Simplify right side
    156,196,673,033.10x = 18,879,493,687,740,804,890,624
  5. Step 5: Solve for x
    x = 18,879,493,687,740,804,890,624/156,196,673,033.10
  6. Step 6: Final answer
    x = 120,870,011,640.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.