Home / 185,483,406.80-278,225,110.20-142,435,470.80

Finding the Fourth Proportional to 185,483,406.80, 278,225,110.20 and 142,435,470.80

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Solution

The fourth proportional to 185,483,406.80, 278,225,110.20 and 142,435,470.80 is: 213,653,206.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,483,406.80 : 278,225,110.20 = 142,435,470.80 : x
  2. Step 2: Convert to fraction form
    185,483,406.80/278,225,110.20 = 142,435,470.80/x
  3. Step 3: Cross multiply
    185,483,406.80x = 278,225,110.20 × 142,435,470.80
  4. Step 4: Simplify right side
    185,483,406.80x = 39,629,124,559,718,880
  5. Step 5: Solve for x
    x = 39,629,124,559,718,880/185,483,406.80
  6. Step 6: Final answer
    x = 213,653,206.20

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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.