Home / 227,158,890.40-340,738,335.60-213,721,962.40

Finding the Fourth Proportional to 227,158,890.40, 340,738,335.60 and 213,721,962.40

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Solution

The fourth proportional to 227,158,890.40, 340,738,335.60 and 213,721,962.40 is: 320,582,943.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,158,890.40 : 340,738,335.60 = 213,721,962.40 : x
  2. Step 2: Convert to fraction form
    227,158,890.40/340,738,335.60 = 213,721,962.40/x
  3. Step 3: Cross multiply
    227,158,890.40x = 340,738,335.60 × 213,721,962.40
  4. Step 4: Simplify right side
    227,158,890.40x = 72,823,265,749,341,792
  5. Step 5: Solve for x
    x = 72,823,265,749,341,792/227,158,890.40
  6. Step 6: Final answer
    x = 320,582,943.60

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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.