Home / 86,402,126.38-129,603,314.30-35,284,145.18

Finding the Fourth Proportional to 86,402,126.38, 129,603,314.30 and 35,284,145.18

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Solution

The fourth proportional to 86,402,126.38, 129,603,314.30 and 35,284,145.18 is: 52,926,268.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,402,126.38 : 129,603,314.30 = 35,284,145.18 : x
  2. Step 2: Convert to fraction form
    86,402,126.38/129,603,314.30 = 35,284,145.18/x
  3. Step 3: Cross multiply
    86,402,126.38x = 129,603,314.30 × 35,284,145.18
  4. Step 4: Simplify right side
    86,402,126.38x = 4,572,942,157,570,370
  5. Step 5: Solve for x
    x = 4,572,942,157,570,370/86,402,126.38
  6. Step 6: Final answer
    x = 52,926,268.71

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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.