Home / 310,120,857.07-427,969,652.93-170,896,601.23

Finding the Fourth Proportional to 310,120,857.07, 427,969,652.93 and 170,896,601.23

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Solution

The fourth proportional to 310,120,857.07, 427,969,652.93 and 170,896,601.23 is: 235,838,891.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,120,857.07 : 427,969,652.93 = 170,896,601.23 : x
  2. Step 2: Convert to fraction form
    310,120,857.07/427,969,652.93 = 170,896,601.23/x
  3. Step 3: Cross multiply
    310,120,857.07x = 427,969,652.93 × 170,896,601.23
  4. Step 4: Simplify right side
    310,120,857.07x = 73,138,559,114,036,160
  5. Step 5: Solve for x
    x = 73,138,559,114,036,160/310,120,857.07
  6. Step 6: Final answer
    x = 235,838,891.35

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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.