Home / 251,516,390.72-347,089,063.98-141,507,841.28

Finding the Fourth Proportional to 251,516,390.72, 347,089,063.98 and 141,507,841.28

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Solution

The fourth proportional to 251,516,390.72, 347,089,063.98 and 141,507,841.28 is: 195,278,820.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,516,390.72 : 347,089,063.98 = 141,507,841.28 : x
  2. Step 2: Convert to fraction form
    251,516,390.72/347,089,063.98 = 141,507,841.28/x
  3. Step 3: Cross multiply
    251,516,390.72x = 347,089,063.98 × 141,507,841.28
  4. Step 4: Simplify right side
    251,516,390.72x = 49,115,824,175,705,608
  5. Step 5: Solve for x
    x = 49,115,824,175,705,608/251,516,390.72
  6. Step 6: Final answer
    x = 195,278,820.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.