Home / 196,672,686.60-295,344,953.10-128,816,200.20

Finding the Fourth Proportional to 196,672,686.60, 295,344,953.10 and 128,816,200.20

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Solution

The fourth proportional to 196,672,686.60, 295,344,953.10 and 128,816,200.20 is: 193,444,322.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,672,686.60 : 295,344,953.10 = 128,816,200.20 : x
  2. Step 2: Convert to fraction form
    196,672,686.60/295,344,953.10 = 128,816,200.20/x
  3. Step 3: Cross multiply
    196,672,686.60x = 295,344,953.10 × 128,816,200.20
  4. Step 4: Simplify right side
    196,672,686.60x = 38,045,214,606,589,216
  5. Step 5: Solve for x
    x = 38,045,214,606,589,216/196,672,686.60
  6. Step 6: Final answer
    x = 193,444,322.46

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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.