Home / 79,238,888.88-109,303,338.90-49,823,651.40

Finding the Fourth Proportional to 79,238,888.88, 109,303,338.90 and 49,823,651.40

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Solution

The fourth proportional to 79,238,888.88, 109,303,338.90 and 49,823,651.40 is: 68,727,509.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,238,888.88 : 109,303,338.90 = 49,823,651.40 : x
  2. Step 2: Convert to fraction form
    79,238,888.88/109,303,338.90 = 49,823,651.40/x
  3. Step 3: Cross multiply
    79,238,888.88x = 109,303,338.90 × 49,823,651.40
  4. Step 4: Simplify right side
    79,238,888.88x = 5,445,891,454,209,660
  5. Step 5: Solve for x
    x = 5,445,891,454,209,660/79,238,888.88
  6. Step 6: Final answer
    x = 68,727,509.07

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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.