Home / 60,109,015-90,178,197.18-19,168,455.28

Finding the Fourth Proportional to 60,109,015, 90,178,197.18 and 19,168,455.28

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Solution

The fourth proportional to 60,109,015, 90,178,197.18 and 19,168,455.28 is: 28,757,362.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,109,015 : 90,178,197.18 = 19,168,455.28 : x
  2. Step 2: Convert to fraction form
    60,109,015/90,178,197.18 = 19,168,455.28/x
  3. Step 3: Cross multiply
    60,109,015x = 90,178,197.18 × 19,168,455.28
  4. Step 4: Simplify right side
    60,109,015x = 1,728,576,739,875,852.25
  5. Step 5: Solve for x
    x = 1,728,576,739,875,852.25/60,109,015
  6. Step 6: Final answer
    x = 28,757,362.60

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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.