Home / 235,829,949.13-325,440,970.59-128,540,196.01

Finding the Fourth Proportional to 235,829,949.13, 325,440,970.59 and 128,540,196.01

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Solution

The fourth proportional to 235,829,949.13, 325,440,970.59 and 128,540,196.01 is: 177,383,094.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,829,949.13 : 325,440,970.59 = 128,540,196.01 : x
  2. Step 2: Convert to fraction form
    235,829,949.13/325,440,970.59 = 128,540,196.01/x
  3. Step 3: Cross multiply
    235,829,949.13x = 325,440,970.59 × 128,540,196.01
  4. Step 4: Simplify right side
    235,829,949.13x = 41,832,246,149,323,240
  5. Step 5: Solve for x
    x = 41,832,246,149,323,240/235,829,949.13
  6. Step 6: Final answer
    x = 177,383,094.49

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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.