Home / 156,756,797.37-216,325,957.64-86,196,129.21

Finding the Fourth Proportional to 156,756,797.37, 216,325,957.64 and 86,196,129.21

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Solution

The fourth proportional to 156,756,797.37, 216,325,957.64 and 86,196,129.21 is: 118,951,525.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,756,797.37 : 216,325,957.64 = 86,196,129.21 : x
  2. Step 2: Convert to fraction form
    156,756,797.37/216,325,957.64 = 86,196,129.21/x
  3. Step 3: Cross multiply
    156,756,797.37x = 216,325,957.64 × 86,196,129.21
  4. Step 4: Simplify right side
    156,756,797.37x = 18,646,460,195,783,444
  5. Step 5: Solve for x
    x = 18,646,460,195,783,444/156,756,797.37
  6. Step 6: Final answer
    x = 118,951,525.60

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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.