Home / 163,036,920.80-244,838,816.40-86,509,416.80

Finding the Fourth Proportional to 163,036,920.80, 244,838,816.40 and 86,509,416.80

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Solution

The fourth proportional to 163,036,920.80, 244,838,816.40 and 86,509,416.80 is: 129,914,519.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,036,920.80 : 244,838,816.40 = 86,509,416.80 : x
  2. Step 2: Convert to fraction form
    163,036,920.80/244,838,816.40 = 86,509,416.80/x
  3. Step 3: Cross multiply
    163,036,920.80x = 244,838,816.40 × 86,509,416.80
  4. Step 4: Simplify right side
    163,036,920.80x = 21,180,863,216,766,276
  5. Step 5: Solve for x
    x = 21,180,863,216,766,276/163,036,920.80
  6. Step 6: Final answer
    x = 129,914,519.44

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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.