Home / 258,633,882.81-356,909,699.12-141,160,055.13

Finding the Fourth Proportional to 258,633,882.81, 356,909,699.12 and 141,160,055.13

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Solution

The fourth proportional to 258,633,882.81, 356,909,699.12 and 141,160,055.13 is: 194,798,114.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,633,882.81 : 356,909,699.12 = 141,160,055.13 : x
  2. Step 2: Convert to fraction form
    258,633,882.81/356,909,699.12 = 141,160,055.13/x
  3. Step 3: Cross multiply
    258,633,882.81x = 356,909,699.12 × 141,160,055.13
  4. Step 4: Simplify right side
    258,633,882.81x = 50,381,392,803,505,112
  5. Step 5: Solve for x
    x = 50,381,392,803,505,112/258,633,882.81
  6. Step 6: Final answer
    x = 194,798,114.83

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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.