Home / 239,581,388.25-330,622,316.33-129,573,101.25

Finding the Fourth Proportional to 239,581,388.25, 330,622,316.33 and 129,573,101.25

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Solution

The fourth proportional to 239,581,388.25, 330,622,316.33 and 129,573,101.25 is: 178,810,880.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,581,388.25 : 330,622,316.33 = 129,573,101.25 : x
  2. Step 2: Convert to fraction form
    239,581,388.25/330,622,316.33 = 129,573,101.25/x
  3. Step 3: Cross multiply
    239,581,388.25x = 330,622,316.33 × 129,573,101.25
  4. Step 4: Simplify right side
    239,581,388.25x = 42,839,758,868,688,752
  5. Step 5: Solve for x
    x = 42,839,758,868,688,752/239,581,388.25
  6. Step 6: Final answer
    x = 178,810,880.02

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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.