Home / 127,116,998.55-190,700,381.03-54,333,638.55

Finding the Fourth Proportional to 127,116,998.55, 190,700,381.03 and 54,333,638.55

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Solution

The fourth proportional to 127,116,998.55, 190,700,381.03 and 54,333,638.55 is: 81,511,093.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,116,998.55 : 190,700,381.03 = 54,333,638.55 : x
  2. Step 2: Convert to fraction form
    127,116,998.55/190,700,381.03 = 54,333,638.55/x
  3. Step 3: Cross multiply
    127,116,998.55x = 190,700,381.03 × 54,333,638.55
  4. Step 4: Simplify right side
    127,116,998.55x = 10,361,445,573,959,628
  5. Step 5: Solve for x
    x = 10,361,445,573,959,628/127,116,998.55
  6. Step 6: Final answer
    x = 81,511,093.66

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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.