Home / 102,615,657.56-153,923,486.18-25,938,685.78

Finding the Fourth Proportional to 102,615,657.56, 153,923,486.18 and 25,938,685.78

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Solution

The fourth proportional to 102,615,657.56, 153,923,486.18 and 25,938,685.78 is: 38,908,028.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,615,657.56 : 153,923,486.18 = 25,938,685.78 : x
  2. Step 2: Convert to fraction form
    102,615,657.56/153,923,486.18 = 25,938,685.78/x
  3. Step 3: Cross multiply
    102,615,657.56x = 153,923,486.18 × 25,938,685.78
  4. Step 4: Simplify right side
    102,615,657.56x = 3,992,572,942,185,193
  5. Step 5: Solve for x
    x = 3,992,572,942,185,193/102,615,657.56
  6. Step 6: Final answer
    x = 38,908,028.63

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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.