Home / 181,656,145.36-251,013,397.41-129,354,379.36

Finding the Fourth Proportional to 181,656,145.36, 251,013,397.41 and 129,354,379.36

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Solution

The fourth proportional to 181,656,145.36, 251,013,397.41 and 129,354,379.36 is: 178,742,547.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,656,145.36 : 251,013,397.41 = 129,354,379.36 : x
  2. Step 2: Convert to fraction form
    181,656,145.36/251,013,397.41 = 129,354,379.36/x
  3. Step 3: Cross multiply
    181,656,145.36x = 251,013,397.41 × 129,354,379.36
  4. Step 4: Simplify right side
    181,656,145.36x = 32,469,682,233,015,580
  5. Step 5: Solve for x
    x = 32,469,682,233,015,580/181,656,145.36
  6. Step 6: Final answer
    x = 178,742,547.73

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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.