Home / 140,340,376.95-193,659,888.53-81,598,874.62

Finding the Fourth Proportional to 140,340,376.95, 193,659,888.53 and 81,598,874.62

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Solution

The fourth proportional to 140,340,376.95, 193,659,888.53 and 81,598,874.62 is: 112,600,730.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,340,376.95 : 193,659,888.53 = 81,598,874.62 : x
  2. Step 2: Convert to fraction form
    140,340,376.95/193,659,888.53 = 81,598,874.62/x
  3. Step 3: Cross multiply
    140,340,376.95x = 193,659,888.53 × 81,598,874.62
  4. Step 4: Simplify right side
    140,340,376.95x = 15,802,428,962,802,494
  5. Step 5: Solve for x
    x = 15,802,428,962,802,494/140,340,376.95
  6. Step 6: Final answer
    x = 112,600,730.50

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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.