Home / 208,613,262.60-312,905,897.10-55,256,027.40

Finding the Fourth Proportional to 208,613,262.60, 312,905,897.10 and 55,256,027.40

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Solution

The fourth proportional to 208,613,262.60, 312,905,897.10 and 55,256,027.40 is: 82,880,333.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,613,262.60 : 312,905,897.10 = 55,256,027.40 : x
  2. Step 2: Convert to fraction form
    208,613,262.60/312,905,897.10 = 55,256,027.40/x
  3. Step 3: Cross multiply
    208,613,262.60x = 312,905,897.10 × 55,256,027.40
  4. Step 4: Simplify right side
    208,613,262.60x = 17,289,936,823,779,182
  5. Step 5: Solve for x
    x = 17,289,936,823,779,182/208,613,262.60
  6. Step 6: Final answer
    x = 82,880,333.73

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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.