Home / 85,599,727.20-128,409,333.48-31,038,010.56

Finding the Fourth Proportional to 85,599,727.20, 128,409,333.48 and 31,038,010.56

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Solution

The fourth proportional to 85,599,727.20, 128,409,333.48 and 31,038,010.56 is: 46,560,548.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,599,727.20 : 128,409,333.48 = 31,038,010.56 : x
  2. Step 2: Convert to fraction form
    85,599,727.20/128,409,333.48 = 31,038,010.56/x
  3. Step 3: Cross multiply
    85,599,727.20x = 128,409,333.48 × 31,038,010.56
  4. Step 4: Simplify right side
    85,599,727.20x = 3,985,570,248,554,801.50
  5. Step 5: Solve for x
    x = 3,985,570,248,554,801.50/85,599,727.20
  6. Step 6: Final answer
    x = 46,560,548.48

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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.