Home / 207,179,564.20-310,769,346.30-70,852,805.80

Finding the Fourth Proportional to 207,179,564.20, 310,769,346.30 and 70,852,805.80

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Solution

The fourth proportional to 207,179,564.20, 310,769,346.30 and 70,852,805.80 is: 106,279,208.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,179,564.20 : 310,769,346.30 = 70,852,805.80 : x
  2. Step 2: Convert to fraction form
    207,179,564.20/310,769,346.30 = 70,852,805.80/x
  3. Step 3: Cross multiply
    207,179,564.20x = 310,769,346.30 × 70,852,805.80
  4. Step 4: Simplify right side
    207,179,564.20x = 22,018,880,141,986,848
  5. Step 5: Solve for x
    x = 22,018,880,141,986,848/207,179,564.20
  6. Step 6: Final answer
    x = 106,279,208.70

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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.