Home / 78,755,482.12-108,682,585.37-43,473,306.91

Finding the Fourth Proportional to 78,755,482.12, 108,682,585.37 and 43,473,306.91

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Solution

The fourth proportional to 78,755,482.12, 108,682,585.37 and 43,473,306.91 is: 59,993,174.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,755,482.12 : 108,682,585.37 = 43,473,306.91 : x
  2. Step 2: Convert to fraction form
    78,755,482.12/108,682,585.37 = 43,473,306.91/x
  3. Step 3: Cross multiply
    78,755,482.12x = 108,682,585.37 × 43,473,306.91
  4. Step 4: Simplify right side
    78,755,482.12x = 4,724,791,389,562,286
  5. Step 5: Solve for x
    x = 4,724,791,389,562,286/78,755,482.12
  6. Step 6: Final answer
    x = 59,993,174.60

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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.