Home / 177,921,128.70-266,433,795.45-117,007,055.10

Finding the Fourth Proportional to 177,921,128.70, 266,433,795.45 and 117,007,055.10

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Solution

The fourth proportional to 177,921,128.70, 266,433,795.45 and 117,007,055.10 is: 175,216,029.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,921,128.70 : 266,433,795.45 = 117,007,055.10 : x
  2. Step 2: Convert to fraction form
    177,921,128.70/266,433,795.45 = 117,007,055.10/x
  3. Step 3: Cross multiply
    177,921,128.70x = 266,433,795.45 × 117,007,055.10
  4. Step 4: Simplify right side
    177,921,128.70x = 31,174,633,784,720,276
  5. Step 5: Solve for x
    x = 31,174,633,784,720,276/177,921,128.70
  6. Step 6: Final answer
    x = 175,216,029.78

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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.