Home / 210,015,904.80-314,929,378.80-80,580,496.80

Finding the Fourth Proportional to 210,015,904.80, 314,929,378.80 and 80,580,496.80

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Solution

The fourth proportional to 210,015,904.80, 314,929,378.80 and 80,580,496.80 is: 120,834,495.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,015,904.80 : 314,929,378.80 = 80,580,496.80 : x
  2. Step 2: Convert to fraction form
    210,015,904.80/314,929,378.80 = 80,580,496.80/x
  3. Step 3: Cross multiply
    210,015,904.80x = 314,929,378.80 × 80,580,496.80
  4. Step 4: Simplify right side
    210,015,904.80x = 25,377,165,800,619,388
  5. Step 5: Solve for x
    x = 25,377,165,800,619,388/210,015,904.80
  6. Step 6: Final answer
    x = 120,834,495.01

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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.