Home / 81,523,285.36-112,459,254.60-48,460,017.04

Finding the Fourth Proportional to 81,523,285.36, 112,459,254.60 and 48,460,017.04

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Solution

The fourth proportional to 81,523,285.36, 112,459,254.60 and 48,460,017.04 is: 66,849,334.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,523,285.36 : 112,459,254.60 = 48,460,017.04 : x
  2. Step 2: Convert to fraction form
    81,523,285.36/112,459,254.60 = 48,460,017.04/x
  3. Step 3: Cross multiply
    81,523,285.36x = 112,459,254.60 × 48,460,017.04
  4. Step 4: Simplify right side
    81,523,285.36x = 5,449,777,394,221,698
  5. Step 5: Solve for x
    x = 5,449,777,394,221,698/81,523,285.36
  6. Step 6: Final answer
    x = 66,849,334.77

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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.