Home / 60,429,632.40-90,644,448.60-20,040,116.40

Finding the Fourth Proportional to 60,429,632.40, 90,644,448.60 and 20,040,116.40

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Solution

The fourth proportional to 60,429,632.40, 90,644,448.60 and 20,040,116.40 is: 30,060,174.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,429,632.40 : 90,644,448.60 = 20,040,116.40 : x
  2. Step 2: Convert to fraction form
    60,429,632.40/90,644,448.60 = 20,040,116.40/x
  3. Step 3: Cross multiply
    60,429,632.40x = 90,644,448.60 × 20,040,116.40
  4. Step 4: Simplify right side
    60,429,632.40x = 1,816,525,300,957,816.75
  5. Step 5: Solve for x
    x = 1,816,525,300,957,816.75/60,429,632.40
  6. Step 6: Final answer
    x = 30,060,174.60

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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.