Home / 317,651,141.46-476,064,768.87-142,644,952.02

Finding the Fourth Proportional to 317,651,141.46, 476,064,768.87 and 142,644,952.02

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Solution

The fourth proportional to 317,651,141.46, 476,064,768.87 and 142,644,952.02 is: 213,782,440.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,651,141.46 : 476,064,768.87 = 142,644,952.02 : x
  2. Step 2: Convert to fraction form
    317,651,141.46/476,064,768.87 = 142,644,952.02/x
  3. Step 3: Cross multiply
    317,651,141.46x = 476,064,768.87 × 142,644,952.02
  4. Step 4: Simplify right side
    317,651,141.46x = 67,908,236,113,873,544
  5. Step 5: Solve for x
    x = 67,908,236,113,873,544/317,651,141.46
  6. Step 6: Final answer
    x = 213,782,440.07

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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.