Home / 129,224,536.36-193,794,862.74-42,939,785.32

Finding the Fourth Proportional to 129,224,536.36, 193,794,862.74 and 42,939,785.32

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Solution

The fourth proportional to 129,224,536.36, 193,794,862.74 and 42,939,785.32 is: 64,395,741.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,224,536.36 : 193,794,862.74 = 42,939,785.32 : x
  2. Step 2: Convert to fraction form
    129,224,536.36/193,794,862.74 = 42,939,785.32/x
  3. Step 3: Cross multiply
    129,224,536.36x = 193,794,862.74 × 42,939,785.32
  4. Step 4: Simplify right side
    129,224,536.36x = 8,321,509,802,174,467
  5. Step 5: Solve for x
    x = 8,321,509,802,174,467/129,224,536.36
  6. Step 6: Final answer
    x = 64,395,741.22

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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.