Home / 137,860,031.76-190,244,375.64-75,136,694.64

Finding the Fourth Proportional to 137,860,031.76, 190,244,375.64 and 75,136,694.64

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Solution

The fourth proportional to 137,860,031.76, 190,244,375.64 and 75,136,694.64 is: 103,687,293.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,860,031.76 : 190,244,375.64 = 75,136,694.64 : x
  2. Step 2: Convert to fraction form
    137,860,031.76/190,244,375.64 = 75,136,694.64/x
  3. Step 3: Cross multiply
    137,860,031.76x = 190,244,375.64 × 75,136,694.64
  4. Step 4: Simplify right side
    137,860,031.76x = 14,294,333,559,440,134
  5. Step 5: Solve for x
    x = 14,294,333,559,440,134/137,860,031.76
  6. Step 6: Final answer
    x = 103,687,293.39

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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.