Home / 86,402,137.76-129,603,331.37-35,284,156.57

Finding the Fourth Proportional to 86,402,137.76, 129,603,331.37 and 35,284,156.57

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Solution

The fourth proportional to 86,402,137.76, 129,603,331.37 and 35,284,156.57 is: 52,926,285.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,402,137.76 : 129,603,331.37 = 35,284,156.57 : x
  2. Step 2: Convert to fraction form
    86,402,137.76/129,603,331.37 = 35,284,156.57/x
  3. Step 3: Cross multiply
    86,402,137.76x = 129,603,331.37 × 35,284,156.57
  4. Step 4: Simplify right side
    86,402,137.76x = 4,572,944,235,404,656
  5. Step 5: Solve for x
    x = 4,572,944,235,404,656/86,402,137.76
  6. Step 6: Final answer
    x = 52,926,285.79

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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.