Home / 153,231,852.33-211,464,454.14-83,621,725.47

Finding the Fourth Proportional to 153,231,852.33, 211,464,454.14 and 83,621,725.47

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Solution

The fourth proportional to 153,231,852.33, 211,464,454.14 and 83,621,725.47 is: 115,400,435.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,231,852.33 : 211,464,454.14 = 83,621,725.47 : x
  2. Step 2: Convert to fraction form
    153,231,852.33/211,464,454.14 = 83,621,725.47/x
  3. Step 3: Cross multiply
    153,231,852.33x = 211,464,454.14 × 83,621,725.47
  4. Step 4: Simplify right side
    153,231,852.33x = 17,683,022,530,758,484
  5. Step 5: Solve for x
    x = 17,683,022,530,758,484/153,231,852.33
  6. Step 6: Final answer
    x = 115,400,435.76

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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.