Home / 383,636,821.60-575,455,232.40-141,268,232.80

Finding the Fourth Proportional to 383,636,821.60, 575,455,232.40 and 141,268,232.80

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Solution

The fourth proportional to 383,636,821.60, 575,455,232.40 and 141,268,232.80 is: 211,902,349.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,636,821.60 : 575,455,232.40 = 141,268,232.80 : x
  2. Step 2: Convert to fraction form
    383,636,821.60/575,455,232.40 = 141,268,232.80/x
  3. Step 3: Cross multiply
    383,636,821.60x = 575,455,232.40 × 141,268,232.80
  4. Step 4: Simplify right side
    383,636,821.60x = 81,293,543,736,661,312
  5. Step 5: Solve for x
    x = 81,293,543,736,661,312/383,636,821.60
  6. Step 6: Final answer
    x = 211,902,349.20

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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.