Home / 84,248,648.40-126,372,972.60-47,842,971.60

Finding the Fourth Proportional to 84,248,648.40, 126,372,972.60 and 47,842,971.60

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Solution

The fourth proportional to 84,248,648.40, 126,372,972.60 and 47,842,971.60 is: 71,764,457.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,248,648.40 : 126,372,972.60 = 47,842,971.60 : x
  2. Step 2: Convert to fraction form
    84,248,648.40/126,372,972.60 = 47,842,971.60/x
  3. Step 3: Cross multiply
    84,248,648.40x = 126,372,972.60 × 47,842,971.60
  4. Step 4: Simplify right side
    84,248,648.40x = 6,046,058,539,109,378
  5. Step 5: Solve for x
    x = 6,046,058,539,109,378/84,248,648.40
  6. Step 6: Final answer
    x = 71,764,457.40

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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.