Home / 60,429,653.40-90,644,480.10-20,040,137.40

Finding the Fourth Proportional to 60,429,653.40, 90,644,480.10 and 20,040,137.40

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Solution

The fourth proportional to 60,429,653.40, 90,644,480.10 and 20,040,137.40 is: 30,060,206.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,429,653.40 : 90,644,480.10 = 20,040,137.40 : x
  2. Step 2: Convert to fraction form
    60,429,653.40/90,644,480.10 = 20,040,137.40/x
  3. Step 3: Cross multiply
    60,429,653.40x = 90,644,480.10 × 20,040,137.40
  4. Step 4: Simplify right side
    60,429,653.40x = 1,816,527,835,755,565.50
  5. Step 5: Solve for x
    x = 1,816,527,835,755,565.50/60,429,653.40
  6. Step 6: Final answer
    x = 30,060,206.10

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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.