Home / 121,291,797.30-181,813,693.05-59,786,358.90

Finding the Fourth Proportional to 121,291,797.30, 181,813,693.05 and 59,786,358.90

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Solution

The fourth proportional to 121,291,797.30, 181,813,693.05 and 59,786,358.90 is: 89,618,415.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,291,797.30 : 181,813,693.05 = 59,786,358.90 : x
  2. Step 2: Convert to fraction form
    121,291,797.30/181,813,693.05 = 59,786,358.90/x
  3. Step 3: Cross multiply
    121,291,797.30x = 181,813,693.05 × 59,786,358.90
  4. Step 4: Simplify right side
    121,291,797.30x = 10,869,978,705,621,736
  5. Step 5: Solve for x
    x = 10,869,978,705,621,736/121,291,797.30
  6. Step 6: Final answer
    x = 89,618,415.65

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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.