Home / 85,795,259.06-128,651,040.33-30,444,352.13

Finding the Fourth Proportional to 85,795,259.06, 128,651,040.33 and 30,444,352.13

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Solution

The fourth proportional to 85,795,259.06, 128,651,040.33 and 30,444,352.13 is: 45,651,678.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,795,259.06 : 128,651,040.33 = 30,444,352.13 : x
  2. Step 2: Convert to fraction form
    85,795,259.06/128,651,040.33 = 30,444,352.13/x
  3. Step 3: Cross multiply
    85,795,259.06x = 128,651,040.33 × 30,444,352.13
  4. Step 4: Simplify right side
    85,795,259.06x = 3,916,697,573,054,096
  5. Step 5: Solve for x
    x = 3,916,697,573,054,096/85,795,259.06
  6. Step 6: Final answer
    x = 45,651,678.38

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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.