Home / 85,040,437.95-117,293,143.39-64,133,350.65

Finding the Fourth Proportional to 85,040,437.95, 117,293,143.39 and 64,133,350.65

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Solution

The fourth proportional to 85,040,437.95, 117,293,143.39 and 64,133,350.65 is: 88,456,768.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,040,437.95 : 117,293,143.39 = 64,133,350.65 : x
  2. Step 2: Convert to fraction form
    85,040,437.95/117,293,143.39 = 64,133,350.65/x
  3. Step 3: Cross multiply
    85,040,437.95x = 117,293,143.39 × 64,133,350.65
  4. Step 4: Simplify right side
    85,040,437.95x = 7,522,402,293,871,600
  5. Step 5: Solve for x
    x = 7,522,402,293,871,600/85,040,437.95
  6. Step 6: Final answer
    x = 88,456,768.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.