Home / 79,778,130.12-110,093,817.30-43,108,700.04

Finding the Fourth Proportional to 79,778,130.12, 110,093,817.30 and 43,108,700.04

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Solution

The fourth proportional to 79,778,130.12, 110,093,817.30 and 43,108,700.04 is: 59,490,004.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,778,130.12 : 110,093,817.30 = 43,108,700.04 : x
  2. Step 2: Convert to fraction form
    79,778,130.12/110,093,817.30 = 43,108,700.04/x
  3. Step 3: Cross multiply
    79,778,130.12x = 110,093,817.30 × 43,108,700.04
  4. Step 4: Simplify right side
    79,778,130.12x = 4,746,001,346,244,262
  5. Step 5: Solve for x
    x = 4,746,001,346,244,262/79,778,130.12
  6. Step 6: Final answer
    x = 59,490,004.83

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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.