Home / 81,523,291.36-112,459,262.88-48,460,023.04

Finding the Fourth Proportional to 81,523,291.36, 112,459,262.88 and 48,460,023.04

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Solution

The fourth proportional to 81,523,291.36, 112,459,262.88 and 48,460,023.04 is: 66,849,343.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,523,291.36 : 112,459,262.88 = 48,460,023.04 : x
  2. Step 2: Convert to fraction form
    81,523,291.36/112,459,262.88 = 48,460,023.04/x
  3. Step 3: Cross multiply
    81,523,291.36x = 112,459,262.88 × 48,460,023.04
  4. Step 4: Simplify right side
    81,523,291.36x = 5,449,778,470,226,216
  5. Step 5: Solve for x
    x = 5,449,778,470,226,216/81,523,291.36
  6. Step 6: Final answer
    x = 66,849,343.04

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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.