Home / 140,205,048.53-210,119,584.93-109,118,242.87

Finding the Fourth Proportional to 140,205,048.53, 210,119,584.93 and 109,118,242.87

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Solution

The fourth proportional to 140,205,048.53, 210,119,584.93 and 109,118,242.87 is: 163,531,057.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,205,048.53 : 210,119,584.93 = 109,118,242.87 : x
  2. Step 2: Convert to fraction form
    140,205,048.53/210,119,584.93 = 109,118,242.87/x
  3. Step 3: Cross multiply
    140,205,048.53x = 210,119,584.93 × 109,118,242.87
  4. Step 4: Simplify right side
    140,205,048.53x = 22,927,879,899,337,240
  5. Step 5: Solve for x
    x = 22,927,879,899,337,240/140,205,048.53
  6. Step 6: Final answer
    x = 163,531,057.83

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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.