Home / 127,729,820.71-191,600,820.74-62,072,734.78

Finding the Fourth Proportional to 127,729,820.71, 191,600,820.74 and 62,072,734.78

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Solution

The fourth proportional to 127,729,820.71, 191,600,820.74 and 62,072,734.78 is: 93,112,061.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,729,820.71 : 191,600,820.74 = 62,072,734.78 : x
  2. Step 2: Convert to fraction form
    127,729,820.71/191,600,820.74 = 62,072,734.78/x
  3. Step 3: Cross multiply
    127,729,820.71x = 191,600,820.74 × 62,072,734.78
  4. Step 4: Simplify right side
    127,729,820.71x = 11,893,186,929,424,344
  5. Step 5: Solve for x
    x = 11,893,186,929,424,344/127,729,820.71
  6. Step 6: Final answer
    x = 93,112,061.56

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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.