Home / 310,104,981.87-427,954,003.46-170,884,711.70

Finding the Fourth Proportional to 310,104,981.87, 427,954,003.46 and 170,884,711.70

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Solution

The fourth proportional to 310,104,981.87, 427,954,003.46 and 170,884,711.70 is: 235,825,932.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,104,981.87 : 427,954,003.46 = 170,884,711.70 : x
  2. Step 2: Convert to fraction form
    310,104,981.87/427,954,003.46 = 170,884,711.70/x
  3. Step 3: Cross multiply
    310,104,981.87x = 427,954,003.46 × 170,884,711.70
  4. Step 4: Simplify right side
    310,104,981.87x = 73,130,796,501,376,064
  5. Step 5: Solve for x
    x = 73,130,796,501,376,064/310,104,981.87
  6. Step 6: Final answer
    x = 235,825,932.44

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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.