Home / 71,242,028.32-98,314,188.36-38,646,980.32

Finding the Fourth Proportional to 71,242,028.32, 98,314,188.36 and 38,646,980.32

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Solution

The fourth proportional to 71,242,028.32, 98,314,188.36 and 38,646,980.32 is: 53,332,935.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,242,028.32 : 98,314,188.36 = 38,646,980.32 : x
  2. Step 2: Convert to fraction form
    71,242,028.32/98,314,188.36 = 38,646,980.32/x
  3. Step 3: Cross multiply
    71,242,028.32x = 98,314,188.36 × 38,646,980.32
  4. Step 4: Simplify right side
    71,242,028.32x = 3,799,546,502,725,693
  5. Step 5: Solve for x
    x = 3,799,546,502,725,693/71,242,028.32
  6. Step 6: Final answer
    x = 53,332,935.52

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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.