Home / 157,761,910.32-237,719,706.74-129,638,052.60

Finding the Fourth Proportional to 157,761,910.32, 237,719,706.74 and 129,638,052.60

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Solution

The fourth proportional to 157,761,910.32, 237,719,706.74 and 129,638,052.60 is: 195,341,954.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,761,910.32 : 237,719,706.74 = 129,638,052.60 : x
  2. Step 2: Convert to fraction form
    157,761,910.32/237,719,706.74 = 129,638,052.60/x
  3. Step 3: Cross multiply
    157,761,910.32x = 237,719,706.74 × 129,638,052.60
  4. Step 4: Simplify right side
    157,761,910.32x = 30,817,519,846,416,696
  5. Step 5: Solve for x
    x = 30,817,519,846,416,696/157,761,910.32
  6. Step 6: Final answer
    x = 195,341,954.11

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.