Home / 216,563,988.60-298,527,682.68-132,777,000.72

Finding the Fourth Proportional to 216,563,988.60, 298,527,682.68 and 132,777,000.72

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Solution

The fourth proportional to 216,563,988.60, 298,527,682.68 and 132,777,000.72 is: 183,029,554.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,563,988.60 : 298,527,682.68 = 132,777,000.72 : x
  2. Step 2: Convert to fraction form
    216,563,988.60/298,527,682.68 = 132,777,000.72/x
  3. Step 3: Cross multiply
    216,563,988.60x = 298,527,682.68 × 132,777,000.72
  4. Step 4: Simplify right side
    216,563,988.60x = 39,637,610,338,142,296
  5. Step 5: Solve for x
    x = 39,637,610,338,142,296/216,563,988.60
  6. Step 6: Final answer
    x = 183,029,554.43

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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.