Home / 315,044,231.70-471,810,520.35-153,297,210.90

Finding the Fourth Proportional to 315,044,231.70, 471,810,520.35 and 153,297,210.90

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Solution

The fourth proportional to 315,044,231.70, 471,810,520.35 and 153,297,210.90 is: 229,578,038.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,044,231.70 : 471,810,520.35 = 153,297,210.90 : x
  2. Step 2: Convert to fraction form
    315,044,231.70/471,810,520.35 = 153,297,210.90/x
  3. Step 3: Cross multiply
    315,044,231.70x = 471,810,520.35 × 153,297,210.90
  4. Step 4: Simplify right side
    315,044,231.70x = 72,327,236,842,932,704
  5. Step 5: Solve for x
    x = 72,327,236,842,932,704/315,044,231.70
  6. Step 6: Final answer
    x = 229,578,038.78

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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.