Home / 188,871,861.28-260,643,708.48-109,502,347.36

Finding the Fourth Proportional to 188,871,861.28, 260,643,708.48 and 109,502,347.36

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Solution

The fourth proportional to 188,871,861.28, 260,643,708.48 and 109,502,347.36 is: 151,113,552.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,871,861.28 : 260,643,708.48 = 109,502,347.36 : x
  2. Step 2: Convert to fraction form
    188,871,861.28/260,643,708.48 = 109,502,347.36/x
  3. Step 3: Cross multiply
    188,871,861.28x = 260,643,708.48 × 109,502,347.36
  4. Step 4: Simplify right side
    188,871,861.28x = 28,541,097,903,175,536
  5. Step 5: Solve for x
    x = 28,541,097,903,175,536/188,871,861.28
  6. Step 6: Final answer
    x = 151,113,552.38

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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.