Home / 261,001,109.07-360,190,876.01-143,535,523.86

Finding the Fourth Proportional to 261,001,109.07, 360,190,876.01 and 143,535,523.86

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Solution

The fourth proportional to 261,001,109.07, 360,190,876.01 and 143,535,523.86 is: 198,084,162.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,001,109.07 : 360,190,876.01 = 143,535,523.86 : x
  2. Step 2: Convert to fraction form
    261,001,109.07/360,190,876.01 = 143,535,523.86/x
  3. Step 3: Cross multiply
    261,001,109.07x = 360,190,876.01 × 143,535,523.86
  4. Step 4: Simplify right side
    261,001,109.07x = 51,700,186,076,969,984
  5. Step 5: Solve for x
    x = 51,700,186,076,969,984/261,001,109.07
  6. Step 6: Final answer
    x = 198,084,162.41

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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.