Home / 155,365,313.72-214,484,836.70-113,502,377.55

Finding the Fourth Proportional to 155,365,313.72, 214,484,836.70 and 113,502,377.55

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Solution

The fourth proportional to 155,365,313.72, 214,484,836.70 and 113,502,377.55 is: 156,692,239.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,365,313.72 : 214,484,836.70 = 113,502,377.55 : x
  2. Step 2: Convert to fraction form
    155,365,313.72/214,484,836.70 = 113,502,377.55/x
  3. Step 3: Cross multiply
    155,365,313.72x = 214,484,836.70 × 113,502,377.55
  4. Step 4: Simplify right side
    155,365,313.72x = 24,344,538,912,769,772
  5. Step 5: Solve for x
    x = 24,344,538,912,769,772/155,365,313.72
  6. Step 6: Final answer
    x = 156,692,239.28

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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.