Home / 142,187,672.70-213,281,509.05-134,629,400.70

Finding the Fourth Proportional to 142,187,672.70, 213,281,509.05 and 134,629,400.70

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Solution

The fourth proportional to 142,187,672.70, 213,281,509.05 and 134,629,400.70 is: 201,944,101.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,187,672.70 : 213,281,509.05 = 134,629,400.70 : x
  2. Step 2: Convert to fraction form
    142,187,672.70/213,281,509.05 = 134,629,400.70/x
  3. Step 3: Cross multiply
    142,187,672.70x = 213,281,509.05 × 134,629,400.70
  4. Step 4: Simplify right side
    142,187,672.70x = 28,713,961,743,793,124
  5. Step 5: Solve for x
    x = 28,713,961,743,793,124/142,187,672.70
  6. Step 6: Final answer
    x = 201,944,101.05

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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.