Home / 105,224,264.19-156,726,836.92-100,503,076.32

Finding the Fourth Proportional to 105,224,264.19, 156,726,836.92 and 100,503,076.32

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Solution

The fourth proportional to 105,224,264.19, 156,726,836.92 and 100,503,076.32 is: 149,694,838.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,224,264.19 : 156,726,836.92 = 100,503,076.32 : x
  2. Step 2: Convert to fraction form
    105,224,264.19/156,726,836.92 = 100,503,076.32/x
  3. Step 3: Cross multiply
    105,224,264.19x = 156,726,836.92 × 100,503,076.32
  4. Step 4: Simplify right side
    105,224,264.19x = 15,751,529,252,488,580
  5. Step 5: Solve for x
    x = 15,751,529,252,488,580/105,224,264.19
  6. Step 6: Final answer
    x = 149,694,838.67

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.