Home / 119,619,868.36-179,429,802.78-28,743,457.48

Finding the Fourth Proportional to 119,619,868.36, 179,429,802.78 and 28,743,457.48

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Solution

The fourth proportional to 119,619,868.36, 179,429,802.78 and 28,743,457.48 is: 43,115,186.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,619,868.36 : 179,429,802.78 = 28,743,457.48 : x
  2. Step 2: Convert to fraction form
    119,619,868.36/179,429,802.78 = 28,743,457.48/x
  3. Step 3: Cross multiply
    119,619,868.36x = 179,429,802.78 × 28,743,457.48
  4. Step 4: Simplify right side
    119,619,868.36x = 5,157,432,906,851,716
  5. Step 5: Solve for x
    x = 5,157,432,906,851,716/119,619,868.36
  6. Step 6: Final answer
    x = 43,115,186.28

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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.