Home / 60,109,010-90,178,189.68-19,168,450.32

Finding the Fourth Proportional to 60,109,010, 90,178,189.68 and 19,168,450.32

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Solution

The fourth proportional to 60,109,010, 90,178,189.68 and 19,168,450.32 is: 28,757,355.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,109,010 : 90,178,189.68 = 19,168,450.32 : x
  2. Step 2: Convert to fraction form
    60,109,010/90,178,189.68 = 19,168,450.32/x
  3. Step 3: Cross multiply
    60,109,010x = 90,178,189.68 × 19,168,450.32
  4. Step 4: Simplify right side
    60,109,010x = 1,728,576,148,828,616.75
  5. Step 5: Solve for x
    x = 1,728,576,148,828,616.75/60,109,010
  6. Step 6: Final answer
    x = 28,757,355.16

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1.5x scale

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.