Home / 231,139,720-346,828,780.08-108,330,513.76

Finding the Fourth Proportional to 231,139,720, 346,828,780.08 and 108,330,513.76

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Solution

The fourth proportional to 231,139,720, 346,828,780.08 and 108,330,513.76 is: 162,551,637.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,139,720 : 346,828,780.08 = 108,330,513.76 : x
  2. Step 2: Convert to fraction form
    231,139,720/346,828,780.08 = 108,330,513.76/x
  3. Step 3: Cross multiply
    231,139,720x = 346,828,780.08 × 108,330,513.76
  4. Step 4: Simplify right side
    231,139,720x = 37,572,139,932,820,456
  5. Step 5: Solve for x
    x = 37,572,139,932,820,456/231,139,720
  6. Step 6: Final answer
    x = 162,551,637.31

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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.