Home / 139,432,573.25-208,744,973.93-105,033,845.87

Finding the Fourth Proportional to 139,432,573.25, 208,744,973.93 and 105,033,845.87

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Solution

The fourth proportional to 139,432,573.25, 208,744,973.93 and 105,033,845.87 is: 157,246,523.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,432,573.25 : 208,744,973.93 = 105,033,845.87 : x
  2. Step 2: Convert to fraction form
    139,432,573.25/208,744,973.93 = 105,033,845.87/x
  3. Step 3: Cross multiply
    139,432,573.25x = 208,744,973.93 × 105,033,845.87
  4. Step 4: Simplify right side
    139,432,573.25x = 21,925,287,416,331,896
  5. Step 5: Solve for x
    x = 21,925,287,416,331,896/139,432,573.25
  6. Step 6: Final answer
    x = 157,246,523.58

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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.