Home / 48,587,990.76-67,007,970.36-40,314,930.48

Finding the Fourth Proportional to 48,587,990.76, 67,007,970.36 and 40,314,930.48

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Solution

The fourth proportional to 48,587,990.76, 67,007,970.36 and 40,314,930.48 is: 55,598,546.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,587,990.76 : 67,007,970.36 = 40,314,930.48 : x
  2. Step 2: Convert to fraction form
    48,587,990.76/67,007,970.36 = 40,314,930.48/x
  3. Step 3: Cross multiply
    48,587,990.76x = 67,007,970.36 × 40,314,930.48
  4. Step 4: Simplify right side
    48,587,990.76x = 2,701,421,666,669,300.50
  5. Step 5: Solve for x
    x = 2,701,421,666,669,300.50/48,587,990.76
  6. Step 6: Final answer
    x = 55,598,546.56

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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.