Home / 221,333,658.60-332,000,487.90-155,328,686.40

Finding the Fourth Proportional to 221,333,658.60, 332,000,487.90 and 155,328,686.40

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Solution

The fourth proportional to 221,333,658.60, 332,000,487.90 and 155,328,686.40 is: 232,993,029.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,333,658.60 : 332,000,487.90 = 155,328,686.40 : x
  2. Step 2: Convert to fraction form
    221,333,658.60/332,000,487.90 = 155,328,686.40/x
  3. Step 3: Cross multiply
    221,333,658.60x = 332,000,487.90 × 155,328,686.40
  4. Step 4: Simplify right side
    221,333,658.60x = 51,569,199,669,666,096
  5. Step 5: Solve for x
    x = 51,569,199,669,666,096/221,333,658.60
  6. Step 6: Final answer
    x = 232,993,029.60

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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.