Home / 261,519,833.44-360,897,353.04-151,575,319.36

Finding the Fourth Proportional to 261,519,833.44, 360,897,353.04 and 151,575,319.36

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Solution

The fourth proportional to 261,519,833.44, 360,897,353.04 and 151,575,319.36 is: 209,173,930.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,519,833.44 : 360,897,353.04 = 151,575,319.36 : x
  2. Step 2: Convert to fraction form
    261,519,833.44/360,897,353.04 = 151,575,319.36/x
  3. Step 3: Cross multiply
    261,519,833.44x = 360,897,353.04 × 151,575,319.36
  4. Step 4: Simplify right side
    261,519,833.44x = 54,703,131,543,216,672
  5. Step 5: Solve for x
    x = 54,703,131,543,216,672/261,519,833.44
  6. Step 6: Final answer
    x = 209,173,930.80

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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.