Home / 234,178,411.43-323,166,587.59-128,315,004.36

Finding the Fourth Proportional to 234,178,411.43, 323,166,587.59 and 128,315,004.36

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Solution

The fourth proportional to 234,178,411.43, 323,166,587.59 and 128,315,004.36 is: 177,074,914.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,178,411.43 : 323,166,587.59 = 128,315,004.36 : x
  2. Step 2: Convert to fraction form
    234,178,411.43/323,166,587.59 = 128,315,004.36/x
  3. Step 3: Cross multiply
    234,178,411.43x = 323,166,587.59 × 128,315,004.36
  4. Step 4: Simplify right side
    234,178,411.43x = 41,467,122,094,565,696
  5. Step 5: Solve for x
    x = 41,467,122,094,565,696/234,178,411.43
  6. Step 6: Final answer
    x = 177,074,914.13

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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.