Home / 69,717,072.60-104,575,608.90-31,453,320.60

Finding the Fourth Proportional to 69,717,072.60, 104,575,608.90 and 31,453,320.60

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Solution

The fourth proportional to 69,717,072.60, 104,575,608.90 and 31,453,320.60 is: 47,179,980.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,717,072.60 : 104,575,608.90 = 31,453,320.60 : x
  2. Step 2: Convert to fraction form
    69,717,072.60/104,575,608.90 = 31,453,320.60/x
  3. Step 3: Cross multiply
    69,717,072.60x = 104,575,608.90 × 31,453,320.60
  4. Step 4: Simplify right side
    69,717,072.60x = 3,289,250,153,671,913.50
  5. Step 5: Solve for x
    x = 3,289,250,153,671,913.50/69,717,072.60
  6. Step 6: Final answer
    x = 47,179,980.90

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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.