Home / 163,814,860.80-245,722,291.20-137,986,828.20

Finding the Fourth Proportional to 163,814,860.80, 245,722,291.20 and 137,986,828.20

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Solution

The fourth proportional to 163,814,860.80, 245,722,291.20 and 137,986,828.20 is: 206,980,242.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,814,860.80 : 245,722,291.20 = 137,986,828.20 : x
  2. Step 2: Convert to fraction form
    163,814,860.80/245,722,291.20 = 137,986,828.20/x
  3. Step 3: Cross multiply
    163,814,860.80x = 245,722,291.20 × 137,986,828.20
  4. Step 4: Simplify right side
    163,814,860.80x = 33,906,439,580,724,768
  5. Step 5: Solve for x
    x = 33,906,439,580,724,768/163,814,860.80
  6. Step 6: Final answer
    x = 206,980,242.30

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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.