Home / 207,791,453.40-311,481,602.10-98,424,394.80

Finding the Fourth Proportional to 207,791,453.40, 311,481,602.10 and 98,424,394.80

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Solution

The fourth proportional to 207,791,453.40, 311,481,602.10 and 98,424,394.80 is: 147,539,216.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,791,453.40 : 311,481,602.10 = 98,424,394.80 : x
  2. Step 2: Convert to fraction form
    207,791,453.40/311,481,602.10 = 98,424,394.80/x
  3. Step 3: Cross multiply
    207,791,453.40x = 311,481,602.10 × 98,424,394.80
  4. Step 4: Simplify right side
    207,791,453.40x = 30,657,388,178,026,912
  5. Step 5: Solve for x
    x = 30,657,388,178,026,912/207,791,453.40
  6. Step 6: Final answer
    x = 147,539,216.25

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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.