Home / 104,553,128.70-156,829,693.05-70,115,751.90

Finding the Fourth Proportional to 104,553,128.70, 156,829,693.05 and 70,115,751.90

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Solution

The fourth proportional to 104,553,128.70, 156,829,693.05 and 70,115,751.90 is: 105,173,627.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,553,128.70 : 156,829,693.05 = 70,115,751.90 : x
  2. Step 2: Convert to fraction form
    104,553,128.70/156,829,693.05 = 70,115,751.90/x
  3. Step 3: Cross multiply
    104,553,128.70x = 156,829,693.05 × 70,115,751.90
  4. Step 4: Simplify right side
    104,553,128.70x = 10,996,231,848,446,956
  5. Step 5: Solve for x
    x = 10,996,231,848,446,956/104,553,128.70
  6. Step 6: Final answer
    x = 105,173,627.85

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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.