Home / 87,164,144.40-120,277,617.84-53,668,304.40

Finding the Fourth Proportional to 87,164,144.40, 120,277,617.84 and 53,668,304.40

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Solution

The fourth proportional to 87,164,144.40, 120,277,617.84 and 53,668,304.40 is: 74,056,779.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,164,144.40 : 120,277,617.84 = 53,668,304.40 : x
  2. Step 2: Convert to fraction form
    87,164,144.40/120,277,617.84 = 53,668,304.40/x
  3. Step 3: Cross multiply
    87,164,144.40x = 120,277,617.84 × 53,668,304.40
  4. Step 4: Simplify right side
    87,164,144.40x = 6,455,095,806,743,991
  5. Step 5: Solve for x
    x = 6,455,095,806,743,991/87,164,144.40
  6. Step 6: Final answer
    x = 74,056,779.32

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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.