Home / 126,726,722.42-190,170,045.81-53,943,384.29

Finding the Fourth Proportional to 126,726,722.42, 190,170,045.81 and 53,943,384.29

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Solution

The fourth proportional to 126,726,722.42, 190,170,045.81 and 53,943,384.29 is: 80,949,113.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,726,722.42 : 190,170,045.81 = 53,943,384.29 : x
  2. Step 2: Convert to fraction form
    126,726,722.42/190,170,045.81 = 53,943,384.29/x
  3. Step 3: Cross multiply
    126,726,722.42x = 190,170,045.81 × 53,943,384.29
  4. Step 4: Simplify right side
    126,726,722.42x = 10,258,415,860,624,884
  5. Step 5: Solve for x
    x = 10,258,415,860,624,884/126,726,722.42
  6. Step 6: Final answer
    x = 80,949,113.69

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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.