Home / 72,607,066.80-108,910,600.20-56,167,825.20

Finding the Fourth Proportional to 72,607,066.80, 108,910,600.20 and 56,167,825.20

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Solution

The fourth proportional to 72,607,066.80, 108,910,600.20 and 56,167,825.20 is: 84,251,737.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,607,066.80 : 108,910,600.20 = 56,167,825.20 : x
  2. Step 2: Convert to fraction form
    72,607,066.80/108,910,600.20 = 56,167,825.20/x
  3. Step 3: Cross multiply
    72,607,066.80x = 108,910,600.20 × 56,167,825.20
  4. Step 4: Simplify right side
    72,607,066.80x = 6,117,271,554,460,686
  5. Step 5: Solve for x
    x = 6,117,271,554,460,686/72,607,066.80
  6. Step 6: Final answer
    x = 84,251,737.80

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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.