Home / 70,131,047.86-96,780,977.18-39,191,217.18

Finding the Fourth Proportional to 70,131,047.86, 96,780,977.18 and 39,191,217.18

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Solution

The fourth proportional to 70,131,047.86, 96,780,977.18 and 39,191,217.18 is: 54,083,952.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,131,047.86 : 96,780,977.18 = 39,191,217.18 : x
  2. Step 2: Convert to fraction form
    70,131,047.86/96,780,977.18 = 39,191,217.18/x
  3. Step 3: Cross multiply
    70,131,047.86x = 96,780,977.18 × 39,191,217.18
  4. Step 4: Simplify right side
    70,131,047.86x = 3,792,964,295,554,004
  5. Step 5: Solve for x
    x = 3,792,964,295,554,004/70,131,047.86
  6. Step 6: Final answer
    x = 54,083,952.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.