Home / 142,565,107.70-213,794,517.45-56,285,661.35

Finding the Fourth Proportional to 142,565,107.70, 213,794,517.45 and 56,285,661.35

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Solution

The fourth proportional to 142,565,107.70, 213,794,517.45 and 56,285,661.35 is: 84,407,510.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,565,107.70 : 213,794,517.45 = 56,285,661.35 : x
  2. Step 2: Convert to fraction form
    142,565,107.70/213,794,517.45 = 56,285,661.35/x
  3. Step 3: Cross multiply
    142,565,107.70x = 213,794,517.45 × 56,285,661.35
  4. Step 4: Simplify right side
    142,565,107.70x = 12,033,565,807,677,366
  5. Step 5: Solve for x
    x = 12,033,565,807,677,366/142,565,107.70
  6. Step 6: Final answer
    x = 84,407,510.38

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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.