Home / 111,169,973.20-166,754,959.80-30,390,941.20

Finding the Fourth Proportional to 111,169,973.20, 166,754,959.80 and 30,390,941.20

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Solution

The fourth proportional to 111,169,973.20, 166,754,959.80 and 30,390,941.20 is: 45,586,411.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,169,973.20 : 166,754,959.80 = 30,390,941.20 : x
  2. Step 2: Convert to fraction form
    111,169,973.20/166,754,959.80 = 30,390,941.20/x
  3. Step 3: Cross multiply
    111,169,973.20x = 166,754,959.80 × 30,390,941.20
  4. Step 4: Simplify right side
    111,169,973.20x = 5,067,840,178,090,164
  5. Step 5: Solve for x
    x = 5,067,840,178,090,164/111,169,973.20
  6. Step 6: Final answer
    x = 45,586,411.80

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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.