Home / 127,347,575.76-175,737,973.48-70,831,940.56

Finding the Fourth Proportional to 127,347,575.76, 175,737,973.48 and 70,831,940.56

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Solution

The fourth proportional to 127,347,575.76, 175,737,973.48 and 70,831,940.56 is: 97,747,142.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,347,575.76 : 175,737,973.48 = 70,831,940.56 : x
  2. Step 2: Convert to fraction form
    127,347,575.76/175,737,973.48 = 70,831,940.56/x
  3. Step 3: Cross multiply
    127,347,575.76x = 175,737,973.48 × 70,831,940.56
  4. Step 4: Simplify right side
    127,347,575.76x = 12,447,861,691,670,216
  5. Step 5: Solve for x
    x = 12,447,861,691,670,216/127,347,575.76
  6. Step 6: Final answer
    x = 97,747,142.95

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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.