Home / 123,765,130.32-170,785,866.60-71,557,515.60

Finding the Fourth Proportional to 123,765,130.32, 170,785,866.60 and 71,557,515.60

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Solution

The fourth proportional to 123,765,130.32, 170,785,866.60 and 71,557,515.60 is: 98,743,582.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,765,130.32 : 170,785,866.60 = 71,557,515.60 : x
  2. Step 2: Convert to fraction form
    123,765,130.32/170,785,866.60 = 71,557,515.60/x
  3. Step 3: Cross multiply
    123,765,130.32x = 170,785,866.60 × 71,557,515.60
  4. Step 4: Simplify right side
    123,765,130.32x = 12,221,012,313,489,018
  5. Step 5: Solve for x
    x = 12,221,012,313,489,018/123,765,130.32
  6. Step 6: Final answer
    x = 98,743,582.15

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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.