Home / 254,201,441.80-381,302,162.70-72,425,000.20

Finding the Fourth Proportional to 254,201,441.80, 381,302,162.70 and 72,425,000.20

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Solution

The fourth proportional to 254,201,441.80, 381,302,162.70 and 72,425,000.20 is: 108,637,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,201,441.80 : 381,302,162.70 = 72,425,000.20 : x
  2. Step 2: Convert to fraction form
    254,201,441.80/381,302,162.70 = 72,425,000.20/x
  3. Step 3: Cross multiply
    254,201,441.80x = 381,302,162.70 × 72,425,000.20
  4. Step 4: Simplify right side
    254,201,441.80x = 27,615,809,209,807,932
  5. Step 5: Solve for x
    x = 27,615,809,209,807,932/254,201,441.80
  6. Step 6: Final answer
    x = 108,637,500.30

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1.5x scale

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.