Home / 86,243,723.40-129,365,585.10-35,162,401.80

Finding the Fourth Proportional to 86,243,723.40, 129,365,585.10 and 35,162,401.80

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Solution

The fourth proportional to 86,243,723.40, 129,365,585.10 and 35,162,401.80 is: 52,743,602.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,243,723.40 : 129,365,585.10 = 35,162,401.80 : x
  2. Step 2: Convert to fraction form
    86,243,723.40/129,365,585.10 = 35,162,401.80/x
  3. Step 3: Cross multiply
    86,243,723.40x = 129,365,585.10 × 35,162,401.80
  4. Step 4: Simplify right side
    86,243,723.40x = 4,548,804,682,378,293
  5. Step 5: Solve for x
    x = 4,548,804,682,378,293/86,243,723.40
  6. Step 6: Final answer
    x = 52,743,602.70

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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.