Home / 125,705,859.53-173,489,187.94-76,144,779.05

Finding the Fourth Proportional to 125,705,859.53, 173,489,187.94 and 76,144,779.05

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Solution

The fourth proportional to 125,705,859.53, 173,489,187.94 and 76,144,779.05 is: 105,088,942.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,705,859.53 : 173,489,187.94 = 76,144,779.05 : x
  2. Step 2: Convert to fraction form
    125,705,859.53/173,489,187.94 = 76,144,779.05/x
  3. Step 3: Cross multiply
    125,705,859.53x = 173,489,187.94 × 76,144,779.05
  4. Step 4: Simplify right side
    125,705,859.53x = 13,210,295,882,197,418
  5. Step 5: Solve for x
    x = 13,210,295,882,197,418/125,705,859.53
  6. Step 6: Final answer
    x = 105,088,942.81

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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.