Home / 358,705,929.60-538,184,865.60-154,296,662.40

Finding the Fourth Proportional to 358,705,929.60, 538,184,865.60 and 154,296,662.40

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Solution

The fourth proportional to 358,705,929.60, 538,184,865.60 and 154,296,662.40 is: 231,499,179.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,705,929.60 : 538,184,865.60 = 154,296,662.40 : x
  2. Step 2: Convert to fraction form
    358,705,929.60/538,184,865.60 = 154,296,662.40/x
  3. Step 3: Cross multiply
    358,705,929.60x = 538,184,865.60 × 154,296,662.40
  4. Step 4: Simplify right side
    358,705,929.60x = 83,040,128,516,272,576
  5. Step 5: Solve for x
    x = 83,040,128,516,272,576/358,705,929.60
  6. Step 6: Final answer
    x = 231,499,179.87

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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.