Home / 231,835,409.80-347,753,114.70-124,339,985.80

Finding the Fourth Proportional to 231,835,409.80, 347,753,114.70 and 124,339,985.80

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Solution

The fourth proportional to 231,835,409.80, 347,753,114.70 and 124,339,985.80 is: 186,509,978.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,835,409.80 : 347,753,114.70 = 124,339,985.80 : x
  2. Step 2: Convert to fraction form
    231,835,409.80/347,753,114.70 = 124,339,985.80/x
  3. Step 3: Cross multiply
    231,835,409.80x = 347,753,114.70 × 124,339,985.80
  4. Step 4: Simplify right side
    231,835,409.80x = 43,239,617,343,703,768
  5. Step 5: Solve for x
    x = 43,239,617,343,703,768/231,835,409.80
  6. Step 6: Final answer
    x = 186,509,978.70

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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.