Home / 86,402,126.76-129,603,314.87-35,284,145.57

Finding the Fourth Proportional to 86,402,126.76, 129,603,314.87 and 35,284,145.57

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Solution

The fourth proportional to 86,402,126.76, 129,603,314.87 and 35,284,145.57 is: 52,926,269.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,402,126.76 : 129,603,314.87 = 35,284,145.57 : x
  2. Step 2: Convert to fraction form
    86,402,126.76/129,603,314.87 = 35,284,145.57/x
  3. Step 3: Cross multiply
    86,402,126.76x = 129,603,314.87 × 35,284,145.57
  4. Step 4: Simplify right side
    86,402,126.76x = 4,572,942,227,403,188
  5. Step 5: Solve for x
    x = 4,572,942,227,403,188/86,402,126.76
  6. Step 6: Final answer
    x = 52,926,269.28

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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.