Home / 85,824,317.16-128,724,354.90-27,524,419.46

Finding the Fourth Proportional to 85,824,317.16, 128,724,354.90 and 27,524,419.46

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Solution

The fourth proportional to 85,824,317.16, 128,724,354.90 and 27,524,419.46 is: 41,282,741.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,824,317.16 : 128,724,354.90 = 27,524,419.46 : x
  2. Step 2: Convert to fraction form
    85,824,317.16/128,724,354.90 = 27,524,419.46/x
  3. Step 3: Cross multiply
    85,824,317.16x = 128,724,354.90 × 27,524,419.46
  4. Step 4: Simplify right side
    85,824,317.16x = 3,543,063,138,341,884.50
  5. Step 5: Solve for x
    x = 3,543,063,138,341,884.50/85,824,317.16
  6. Step 6: Final answer
    x = 41,282,741.95

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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.