Home / 87,421,199.84-120,657,051.60-52,141,268.96

Finding the Fourth Proportional to 87,421,199.84, 120,657,051.60 and 52,141,268.96

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Solution

The fourth proportional to 87,421,199.84, 120,657,051.60 and 52,141,268.96 is: 71,964,372.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,421,199.84 : 120,657,051.60 = 52,141,268.96 : x
  2. Step 2: Convert to fraction form
    87,421,199.84/120,657,051.60 = 52,141,268.96/x
  3. Step 3: Cross multiply
    87,421,199.84x = 120,657,051.60 × 52,141,268.96
  4. Step 4: Simplify right side
    87,421,199.84x = 6,291,211,779,396,198
  5. Step 5: Solve for x
    x = 6,291,211,779,396,198/87,421,199.84
  6. Step 6: Final answer
    x = 71,964,372.38

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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.