Home / 156,258,503.83-234,364,940.13-45,564,428.31

Finding the Fourth Proportional to 156,258,503.83, 234,364,940.13 and 45,564,428.31

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Solution

The fourth proportional to 156,258,503.83, 234,364,940.13 and 45,564,428.31 is: 68,339,989.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,258,503.83 : 234,364,940.13 = 45,564,428.31 : x
  2. Step 2: Convert to fraction form
    156,258,503.83/234,364,940.13 = 45,564,428.31/x
  3. Step 3: Cross multiply
    156,258,503.83x = 234,364,940.13 × 45,564,428.31
  4. Step 4: Simplify right side
    156,258,503.83x = 10,678,704,512,930,828
  5. Step 5: Solve for x
    x = 10,678,704,512,930,828/156,258,503.83
  6. Step 6: Final answer
    x = 68,339,989.51

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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.