Home / 137,450,308.32-189,670,206.96-80,926,132.32

Finding the Fourth Proportional to 137,450,308.32, 189,670,206.96 and 80,926,132.32

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Solution

The fourth proportional to 137,450,308.32, 189,670,206.96 and 80,926,132.32 is: 111,671,457.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,450,308.32 : 189,670,206.96 = 80,926,132.32 : x
  2. Step 2: Convert to fraction form
    137,450,308.32/189,670,206.96 = 80,926,132.32/x
  3. Step 3: Cross multiply
    137,450,308.32x = 189,670,206.96 × 80,926,132.32
  4. Step 4: Simplify right side
    137,450,308.32x = 15,349,276,265,606,744
  5. Step 5: Solve for x
    x = 15,349,276,265,606,744/137,450,308.32
  6. Step 6: Final answer
    x = 111,671,457.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.