Home / 162,235,128.62-223,884,174.58-87,897,536.74

Finding the Fourth Proportional to 162,235,128.62, 223,884,174.58 and 87,897,536.74

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Solution

The fourth proportional to 162,235,128.62, 223,884,174.58 and 87,897,536.74 is: 121,298,436.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,235,128.62 : 223,884,174.58 = 87,897,536.74 : x
  2. Step 2: Convert to fraction form
    162,235,128.62/223,884,174.58 = 87,897,536.74/x
  3. Step 3: Cross multiply
    162,235,128.62x = 223,884,174.58 × 87,897,536.74
  4. Step 4: Simplify right side
    162,235,128.62x = 19,678,867,461,150,540
  5. Step 5: Solve for x
    x = 19,678,867,461,150,540/162,235,128.62
  6. Step 6: Final answer
    x = 121,298,436.59

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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.