Home / 545,448,004.79-818,172,014.11-130,924,825.07

Finding the Fourth Proportional to 545,448,004.79, 818,172,014.11 and 130,924,825.07

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Solution

The fourth proportional to 545,448,004.79, 818,172,014.11 and 130,924,825.07 is: 196,387,239.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,448,004.79 : 818,172,014.11 = 130,924,825.07 : x
  2. Step 2: Convert to fraction form
    545,448,004.79/818,172,014.11 = 130,924,825.07/x
  3. Step 3: Cross multiply
    545,448,004.79x = 818,172,014.11 × 130,924,825.07
  4. Step 4: Simplify right side
    545,448,004.79x = 107,119,027,820,837,632
  5. Step 5: Solve for x
    x = 107,119,027,820,837,632/545,448,004.79
  6. Step 6: Final answer
    x = 196,387,239.26

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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.