Home / 250,837,549.80-346,161,301.83-137,808,498.21

Finding the Fourth Proportional to 250,837,549.80, 346,161,301.83 and 137,808,498.21

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Solution

The fourth proportional to 250,837,549.80, 346,161,301.83 and 137,808,498.21 is: 190,178,739.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,837,549.80 : 346,161,301.83 = 137,808,498.21 : x
  2. Step 2: Convert to fraction form
    250,837,549.80/346,161,301.83 = 137,808,498.21/x
  3. Step 3: Cross multiply
    250,837,549.80x = 346,161,301.83 × 137,808,498.21
  4. Step 4: Simplify right side
    250,837,549.80x = 47,703,969,143,610,824
  5. Step 5: Solve for x
    x = 47,703,969,143,610,824/250,837,549.80
  6. Step 6: Final answer
    x = 190,178,739.91

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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.