Home / 221,238,000.30-331,857,000.45-152,363,246.70

Finding the Fourth Proportional to 221,238,000.30, 331,857,000.45 and 152,363,246.70

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Solution

The fourth proportional to 221,238,000.30, 331,857,000.45 and 152,363,246.70 is: 228,544,870.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,238,000.30 : 331,857,000.45 = 152,363,246.70 : x
  2. Step 2: Convert to fraction form
    221,238,000.30/331,857,000.45 = 152,363,246.70/x
  3. Step 3: Cross multiply
    221,238,000.30x = 331,857,000.45 × 152,363,246.70
  4. Step 4: Simplify right side
    221,238,000.30x = 50,562,810,028,685,352
  5. Step 5: Solve for x
    x = 50,562,810,028,685,352/221,238,000.30
  6. Step 6: Final answer
    x = 228,544,870.05

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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.