Home / 177,552,044.10-266,328,066.15-128,801,189.70

Finding the Fourth Proportional to 177,552,044.10, 266,328,066.15 and 128,801,189.70

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Solution

The fourth proportional to 177,552,044.10, 266,328,066.15 and 128,801,189.70 is: 193,201,784.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,552,044.10 : 266,328,066.15 = 128,801,189.70 : x
  2. Step 2: Convert to fraction form
    177,552,044.10/266,328,066.15 = 128,801,189.70/x
  3. Step 3: Cross multiply
    177,552,044.10x = 266,328,066.15 × 128,801,189.70
  4. Step 4: Simplify right side
    177,552,044.10x = 34,303,371,770,620,300
  5. Step 5: Solve for x
    x = 34,303,371,770,620,300/177,552,044.10
  6. Step 6: Final answer
    x = 193,201,784.55

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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.