Home / 85,344,010.60-128,072,003.10-48,952,330.60

Finding the Fourth Proportional to 85,344,010.60, 128,072,003.10 and 48,952,330.60

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Solution

The fourth proportional to 85,344,010.60, 128,072,003.10 and 48,952,330.60 is: 73,460,609.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,344,010.60 : 128,072,003.10 = 48,952,330.60 : x
  2. Step 2: Convert to fraction form
    85,344,010.60/128,072,003.10 = 48,952,330.60/x
  3. Step 3: Cross multiply
    85,344,010.60x = 128,072,003.10 × 48,952,330.60
  4. Step 4: Simplify right side
    85,344,010.60x = 6,269,423,036,355,425
  5. Step 5: Solve for x
    x = 6,269,423,036,355,425/85,344,010.60
  6. Step 6: Final answer
    x = 73,460,609.51

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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.