Home / 74,804,321.13-112,109,154.88-30,436,900.90

Finding the Fourth Proportional to 74,804,321.13, 112,109,154.88 and 30,436,900.90

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Solution

The fourth proportional to 74,804,321.13, 112,109,154.88 and 30,436,900.90 is: 45,615,750.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,804,321.13 : 112,109,154.88 = 30,436,900.90 : x
  2. Step 2: Convert to fraction form
    74,804,321.13/112,109,154.88 = 30,436,900.90/x
  3. Step 3: Cross multiply
    74,804,321.13x = 112,109,154.88 × 30,436,900.90
  4. Step 4: Simplify right side
    74,804,321.13x = 3,412,255,236,851,695.50
  5. Step 5: Solve for x
    x = 3,412,255,236,851,695.50/74,804,321.13
  6. Step 6: Final answer
    x = 45,615,750.34

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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.