Home / 239,150,231.70-358,725,347.55-218,742,897.30

Finding the Fourth Proportional to 239,150,231.70, 358,725,347.55 and 218,742,897.30

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Solution

The fourth proportional to 239,150,231.70, 358,725,347.55 and 218,742,897.30 is: 328,114,345.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,150,231.70 : 358,725,347.55 = 218,742,897.30 : x
  2. Step 2: Convert to fraction form
    239,150,231.70/358,725,347.55 = 218,742,897.30/x
  3. Step 3: Cross multiply
    239,150,231.70x = 358,725,347.55 × 218,742,897.30
  4. Step 4: Simplify right side
    239,150,231.70x = 78,468,621,858,036,464
  5. Step 5: Solve for x
    x = 78,468,621,858,036,464/239,150,231.70
  6. Step 6: Final answer
    x = 328,114,345.95

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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.