Home / 161,721,409.20-242,582,113.80-157,469,881.20

Finding the Fourth Proportional to 161,721,409.20, 242,582,113.80 and 157,469,881.20

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Solution

The fourth proportional to 161,721,409.20, 242,582,113.80 and 157,469,881.20 is: 236,204,821.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,721,409.20 : 242,582,113.80 = 157,469,881.20 : x
  2. Step 2: Convert to fraction form
    161,721,409.20/242,582,113.80 = 157,469,881.20/x
  3. Step 3: Cross multiply
    161,721,409.20x = 242,582,113.80 × 157,469,881.20
  4. Step 4: Simplify right side
    161,721,409.20x = 38,199,376,641,330,880
  5. Step 5: Solve for x
    x = 38,199,376,641,330,880/161,721,409.20
  6. Step 6: Final answer
    x = 236,204,821.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.