Home / 142,366,843.20-213,550,264.80-124,450,939.20

Finding the Fourth Proportional to 142,366,843.20, 213,550,264.80 and 124,450,939.20

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Solution

The fourth proportional to 142,366,843.20, 213,550,264.80 and 124,450,939.20 is: 186,676,408.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,366,843.20 : 213,550,264.80 = 124,450,939.20 : x
  2. Step 2: Convert to fraction form
    142,366,843.20/213,550,264.80 = 124,450,939.20/x
  3. Step 3: Cross multiply
    142,366,843.20x = 213,550,264.80 × 124,450,939.20
  4. Step 4: Simplify right side
    142,366,843.20x = 26,576,531,020,768,704
  5. Step 5: Solve for x
    x = 26,576,531,020,768,704/142,366,843.20
  6. Step 6: Final answer
    x = 186,676,408.80

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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.