Home / 196,819,726.20-295,229,589.30-128,872,001.40

Finding the Fourth Proportional to 196,819,726.20, 295,229,589.30 and 128,872,001.40

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Solution

The fourth proportional to 196,819,726.20, 295,229,589.30 and 128,872,001.40 is: 193,308,002.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,819,726.20 : 295,229,589.30 = 128,872,001.40 : x
  2. Step 2: Convert to fraction form
    196,819,726.20/295,229,589.30 = 128,872,001.40/x
  3. Step 3: Cross multiply
    196,819,726.20x = 295,229,589.30 × 128,872,001.40
  4. Step 4: Simplify right side
    196,819,726.20x = 38,046,828,045,591,032
  5. Step 5: Solve for x
    x = 38,046,828,045,591,032/196,819,726.20
  6. Step 6: Final answer
    x = 193,308,002.10

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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.