Home / 118,848,000.30-178,272,000.45-102,408,758.70

Finding the Fourth Proportional to 118,848,000.30, 178,272,000.45 and 102,408,758.70

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Solution

The fourth proportional to 118,848,000.30, 178,272,000.45 and 102,408,758.70 is: 153,613,138.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,848,000.30 : 178,272,000.45 = 102,408,758.70 : x
  2. Step 2: Convert to fraction form
    118,848,000.30/178,272,000.45 = 102,408,758.70/x
  3. Step 3: Cross multiply
    118,848,000.30x = 178,272,000.45 × 102,408,758.70
  4. Step 4: Simplify right side
    118,848,000.30x = 18,256,614,277,050,340
  5. Step 5: Solve for x
    x = 18,256,614,277,050,340/118,848,000.30
  6. Step 6: Final answer
    x = 153,613,138.05

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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.