Home / 43,435,155.26-65,053,505.54-20,731,995.74

Finding the Fourth Proportional to 43,435,155.26, 65,053,505.54 and 20,731,995.74

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Solution

The fourth proportional to 43,435,155.26, 65,053,505.54 and 20,731,995.74 is: 31,050,631.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,435,155.26 : 65,053,505.54 = 20,731,995.74 : x
  2. Step 2: Convert to fraction form
    43,435,155.26/65,053,505.54 = 20,731,995.74/x
  3. Step 3: Cross multiply
    43,435,155.26x = 65,053,505.54 × 20,731,995.74
  4. Step 4: Simplify right side
    43,435,155.26x = 1,348,688,999,727,346.25
  5. Step 5: Solve for x
    x = 1,348,688,999,727,346.25/43,435,155.26
  6. Step 6: Final answer
    x = 31,050,631.49

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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.