Home / 143,650,926.66-198,238,884.16-80,927,777.18

Finding the Fourth Proportional to 143,650,926.66, 198,238,884.16 and 80,927,777.18

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Solution

The fourth proportional to 143,650,926.66, 198,238,884.16 and 80,927,777.18 is: 111,680,673.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,650,926.66 : 198,238,884.16 = 80,927,777.18 : x
  2. Step 2: Convert to fraction form
    143,650,926.66/198,238,884.16 = 80,927,777.18/x
  3. Step 3: Cross multiply
    143,650,926.66x = 198,238,884.16 × 80,927,777.18
  4. Step 4: Simplify right side
    143,650,926.66x = 16,043,032,245,712,312
  5. Step 5: Solve for x
    x = 16,043,032,245,712,312/143,650,926.66
  6. Step 6: Final answer
    x = 111,680,673.55

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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.