Home / 154,790,169.45-213,603,983.01-84,226,056.76

Finding the Fourth Proportional to 154,790,169.45, 213,603,983.01 and 84,226,056.76

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Solution

The fourth proportional to 154,790,169.45, 213,603,983.01 and 84,226,056.76 is: 116,228,448.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,790,169.45 : 213,603,983.01 = 84,226,056.76 : x
  2. Step 2: Convert to fraction form
    154,790,169.45/213,603,983.01 = 84,226,056.76/x
  3. Step 3: Cross multiply
    154,790,169.45x = 213,603,983.01 × 84,226,056.76
  4. Step 4: Simplify right side
    154,790,169.45x = 17,991,021,197,429,340
  5. Step 5: Solve for x
    x = 17,991,021,197,429,340/154,790,169.45
  6. Step 6: Final answer
    x = 116,228,448.24

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1.5x scale

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.