Home / 181,656,353.48-251,013,684.90-129,354,587.86

Finding the Fourth Proportional to 181,656,353.48, 251,013,684.90 and 129,354,587.86

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Solution

The fourth proportional to 181,656,353.48, 251,013,684.90 and 129,354,587.86 is: 178,742,835.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,656,353.48 : 251,013,684.90 = 129,354,587.86 : x
  2. Step 2: Convert to fraction form
    181,656,353.48/251,013,684.90 = 129,354,587.86/x
  3. Step 3: Cross multiply
    181,656,353.48x = 251,013,684.90 × 129,354,587.86
  4. Step 4: Simplify right side
    181,656,353.48x = 32,469,771,757,459,404
  5. Step 5: Solve for x
    x = 32,469,771,757,459,404/181,656,353.48
  6. Step 6: Final answer
    x = 178,742,835.77

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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.