Home / 30,501,101.80-45,751,652.70-10,306,052.20

Finding the Fourth Proportional to 30,501,101.80, 45,751,652.70 and 10,306,052.20

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Solution

The fourth proportional to 30,501,101.80, 45,751,652.70 and 10,306,052.20 is: 15,459,078.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,501,101.80 : 45,751,652.70 = 10,306,052.20 : x
  2. Step 2: Convert to fraction form
    30,501,101.80/45,751,652.70 = 10,306,052.20/x
  3. Step 3: Cross multiply
    30,501,101.80x = 45,751,652.70 × 10,306,052.20
  4. Step 4: Simplify right side
    30,501,101.80x = 471,518,920,962,470.94
  5. Step 5: Solve for x
    x = 471,518,920,962,470.94/30,501,101.80
  6. Step 6: Final answer
    x = 15,459,078.30

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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.