Home / 255,645,389.96-383,484,227.88-108,065,430.80

Finding the Fourth Proportional to 255,645,389.96, 383,484,227.88 and 108,065,430.80

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Solution

The fourth proportional to 255,645,389.96, 383,484,227.88 and 108,065,430.80 is: 162,104,970.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,645,389.96 : 383,484,227.88 = 108,065,430.80 : x
  2. Step 2: Convert to fraction form
    255,645,389.96/383,484,227.88 = 108,065,430.80/x
  3. Step 3: Cross multiply
    255,645,389.96x = 383,484,227.88 × 108,065,430.80
  4. Step 4: Simplify right side
    255,645,389.96x = 41,441,388,290,857,568
  5. Step 5: Solve for x
    x = 41,441,388,290,857,568/255,645,389.96
  6. Step 6: Final answer
    x = 162,104,970.08

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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.