Home / 163,036,921.80-244,838,817.90-86,509,417.80

Finding the Fourth Proportional to 163,036,921.80, 244,838,817.90 and 86,509,417.80

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Solution

The fourth proportional to 163,036,921.80, 244,838,817.90 and 86,509,417.80 is: 129,914,520.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,036,921.80 : 244,838,817.90 = 86,509,417.80 : x
  2. Step 2: Convert to fraction form
    163,036,921.80/244,838,817.90 = 86,509,417.80/x
  3. Step 3: Cross multiply
    163,036,921.80x = 244,838,817.90 × 86,509,417.80
  4. Step 4: Simplify right side
    163,036,921.80x = 21,180,863,591,369,220
  5. Step 5: Solve for x
    x = 21,180,863,591,369,220/163,036,921.80
  6. Step 6: Final answer
    x = 129,914,520.94

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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.