Home / 163,036,919.80-244,838,814.90-86,509,415.80

Finding the Fourth Proportional to 163,036,919.80, 244,838,814.90 and 86,509,415.80

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Solution

The fourth proportional to 163,036,919.80, 244,838,814.90 and 86,509,415.80 is: 129,914,517.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,036,919.80 : 244,838,814.90 = 86,509,415.80 : x
  2. Step 2: Convert to fraction form
    163,036,919.80/244,838,814.90 = 86,509,415.80/x
  3. Step 3: Cross multiply
    163,036,919.80x = 244,838,814.90 × 86,509,415.80
  4. Step 4: Simplify right side
    163,036,919.80x = 21,180,862,842,163,336
  5. Step 5: Solve for x
    x = 21,180,862,842,163,336/163,036,919.80
  6. Step 6: Final answer
    x = 129,914,517.94

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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.