Home / 149,512,646.70-224,310,960.45-72,838,176.30

Finding the Fourth Proportional to 149,512,646.70, 224,310,960.45 and 72,838,176.30

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Solution

The fourth proportional to 149,512,646.70, 224,310,960.45 and 72,838,176.30 is: 109,277,720.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,512,646.70 : 224,310,960.45 = 72,838,176.30 : x
  2. Step 2: Convert to fraction form
    149,512,646.70/224,310,960.45 = 72,838,176.30/x
  3. Step 3: Cross multiply
    149,512,646.70x = 224,310,960.45 × 72,838,176.30
  4. Step 4: Simplify right side
    149,512,646.70x = 16,338,401,283,279,426
  5. Step 5: Solve for x
    x = 16,338,401,283,279,426/149,512,646.70
  6. Step 6: Final answer
    x = 109,277,720.94

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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.