Home / 197,816,839.01-272,736,359.47-141,369,005.78

Finding the Fourth Proportional to 197,816,839.01, 272,736,359.47 and 141,369,005.78

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Solution

The fourth proportional to 197,816,839.01, 272,736,359.47 and 141,369,005.78 is: 194,909,938.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,816,839.01 : 272,736,359.47 = 141,369,005.78 : x
  2. Step 2: Convert to fraction form
    197,816,839.01/272,736,359.47 = 141,369,005.78/x
  3. Step 3: Cross multiply
    197,816,839.01x = 272,736,359.47 × 141,369,005.78
  4. Step 4: Simplify right side
    197,816,839.01x = 38,556,467,978,330,592
  5. Step 5: Solve for x
    x = 38,556,467,978,330,592/197,816,839.01
  6. Step 6: Final answer
    x = 194,909,938.77

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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.