Home / 137,899,525.68-190,301,921.64-76,018,506.48

Finding the Fourth Proportional to 137,899,525.68, 190,301,921.64 and 76,018,506.48

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Solution

The fourth proportional to 137,899,525.68, 190,301,921.64 and 76,018,506.48 is: 104,905,856.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,899,525.68 : 190,301,921.64 = 76,018,506.48 : x
  2. Step 2: Convert to fraction form
    137,899,525.68/190,301,921.64 = 76,018,506.48/x
  3. Step 3: Cross multiply
    137,899,525.68x = 190,301,921.64 × 76,018,506.48
  4. Step 4: Simplify right side
    137,899,525.68x = 14,466,467,863,346,792
  5. Step 5: Solve for x
    x = 14,466,467,863,346,792/137,899,525.68
  6. Step 6: Final answer
    x = 104,905,856.58

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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.