Home / 145,360,205.82-200,628,128.07-83,514,645.18

Finding the Fourth Proportional to 145,360,205.82, 200,628,128.07 and 83,514,645.18

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Solution

The fourth proportional to 145,360,205.82, 200,628,128.07 and 83,514,645.18 is: 115,268,046.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,360,205.82 : 200,628,128.07 = 83,514,645.18 : x
  2. Step 2: Convert to fraction form
    145,360,205.82/200,628,128.07 = 83,514,645.18/x
  3. Step 3: Cross multiply
    145,360,205.82x = 200,628,128.07 × 83,514,645.18
  4. Step 4: Simplify right side
    145,360,205.82x = 16,755,386,928,893,650
  5. Step 5: Solve for x
    x = 16,755,386,928,893,650/145,360,205.82
  6. Step 6: Final answer
    x = 115,268,046.26

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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.