Home / 272,569,977.63-408,905,748.69-88,321,023.18

Finding the Fourth Proportional to 272,569,977.63, 408,905,748.69 and 88,321,023.18

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Solution

The fourth proportional to 272,569,977.63, 408,905,748.69 and 88,321,023.18 is: 132,497,989.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,569,977.63 : 408,905,748.69 = 88,321,023.18 : x
  2. Step 2: Convert to fraction form
    272,569,977.63/408,905,748.69 = 88,321,023.18/x
  3. Step 3: Cross multiply
    272,569,977.63x = 408,905,748.69 × 88,321,023.18
  4. Step 4: Simplify right side
    272,569,977.63x = 36,114,974,108,484,744
  5. Step 5: Solve for x
    x = 36,114,974,108,484,744/272,569,977.63
  6. Step 6: Final answer
    x = 132,497,989.77

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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.