Home / 185,814,792.06-256,438,776.87-111,478,137.18

Finding the Fourth Proportional to 185,814,792.06, 256,438,776.87 and 111,478,137.18

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Solution

The fourth proportional to 185,814,792.06, 256,438,776.87 and 111,478,137.18 is: 153,848,446.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,814,792.06 : 256,438,776.87 = 111,478,137.18 : x
  2. Step 2: Convert to fraction form
    185,814,792.06/256,438,776.87 = 111,478,137.18/x
  3. Step 3: Cross multiply
    185,814,792.06x = 256,438,776.87 × 111,478,137.18
  4. Step 4: Simplify right side
    185,814,792.06x = 28,587,317,146,185,272
  5. Step 5: Solve for x
    x = 28,587,317,146,185,272/185,814,792.06
  6. Step 6: Final answer
    x = 153,848,446.77

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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.