Home / 152,488,599.30-210,435,898.05-82,873,983.60

Finding the Fourth Proportional to 152,488,599.30, 210,435,898.05 and 82,873,983.60

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Solution

The fourth proportional to 152,488,599.30, 210,435,898.05 and 82,873,983.60 is: 114,366,983.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,488,599.30 : 210,435,898.05 = 82,873,983.60 : x
  2. Step 2: Convert to fraction form
    152,488,599.30/210,435,898.05 = 82,873,983.60/x
  3. Step 3: Cross multiply
    152,488,599.30x = 210,435,898.05 × 82,873,983.60
  4. Step 4: Simplify right side
    152,488,599.30x = 17,439,661,163,846,972
  5. Step 5: Solve for x
    x = 17,439,661,163,846,972/152,488,599.30
  6. Step 6: Final answer
    x = 114,366,983.79

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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.