Home / 130,857,929,746.62-195,884,308,299.48-85,380,714,484.32

Finding the Fourth Proportional to 130,857,929,746.62, 195,884,308,299.48 and 85,380,714,484.32

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Solution

The fourth proportional to 130,857,929,746.62, 195,884,308,299.48 and 85,380,714,484.32 is: 127,808,396,718.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,857,929,746.62 : 195,884,308,299.48 = 85,380,714,484.32 : x
  2. Step 2: Convert to fraction form
    130,857,929,746.62/195,884,308,299.48 = 85,380,714,484.32/x
  3. Step 3: Cross multiply
    130,857,929,746.62x = 195,884,308,299.48 × 85,380,714,484.32
  4. Step 4: Simplify right side
    130,857,929,746.62x = 16,724,742,198,876,419,653,632
  5. Step 5: Solve for x
    x = 16,724,742,198,876,419,653,632/130,857,929,746.62
  6. Step 6: Final answer
    x = 127,808,396,718.95

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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.