Home / 208,220,405.42-287,176,612.82-183,048,693.86

Finding the Fourth Proportional to 208,220,405.42, 287,176,612.82 and 183,048,693.86

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Solution

The fourth proportional to 208,220,405.42, 287,176,612.82 and 183,048,693.86 is: 252,459,905.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,220,405.42 : 287,176,612.82 = 183,048,693.86 : x
  2. Step 2: Convert to fraction form
    208,220,405.42/287,176,612.82 = 183,048,693.86/x
  3. Step 3: Cross multiply
    208,220,405.42x = 287,176,612.82 × 183,048,693.86
  4. Step 4: Simplify right side
    208,220,405.42x = 52,567,303,883,839,936
  5. Step 5: Solve for x
    x = 52,567,303,883,839,936/208,220,405.42
  6. Step 6: Final answer
    x = 252,459,905.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.