Home / 210,384,015.80-315,576,023.70-124,163,727.80

Finding the Fourth Proportional to 210,384,015.80, 315,576,023.70 and 124,163,727.80

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Solution

The fourth proportional to 210,384,015.80, 315,576,023.70 and 124,163,727.80 is: 186,245,591.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,384,015.80 : 315,576,023.70 = 124,163,727.80 : x
  2. Step 2: Convert to fraction form
    210,384,015.80/315,576,023.70 = 124,163,727.80/x
  3. Step 3: Cross multiply
    210,384,015.80x = 315,576,023.70 × 124,163,727.80
  4. Step 4: Simplify right side
    210,384,015.80x = 39,183,095,506,893,144
  5. Step 5: Solve for x
    x = 39,183,095,506,893,144/210,384,015.80
  6. Step 6: Final answer
    x = 186,245,591.70

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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.