Home / 208,118,332.60-312,153,198.48-83,615,921.36

Finding the Fourth Proportional to 208,118,332.60, 312,153,198.48 and 83,615,921.36

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Solution

The fourth proportional to 208,118,332.60, 312,153,198.48 and 83,615,921.36 is: 125,414,118.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,118,332.60 : 312,153,198.48 = 83,615,921.36 : x
  2. Step 2: Convert to fraction form
    208,118,332.60/312,153,198.48 = 83,615,921.36/x
  3. Step 3: Cross multiply
    208,118,332.60x = 312,153,198.48 × 83,615,921.36
  4. Step 4: Simplify right side
    208,118,332.60x = 26,100,977,296,376,152
  5. Step 5: Solve for x
    x = 26,100,977,296,376,152/208,118,332.60
  6. Step 6: Final answer
    x = 125,414,118.83

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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.