Home / 125,705,858.40-173,489,186.39-76,144,777.92

Finding the Fourth Proportional to 125,705,858.40, 173,489,186.39 and 76,144,777.92

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Solution

The fourth proportional to 125,705,858.40, 173,489,186.39 and 76,144,777.92 is: 105,088,941.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,705,858.40 : 173,489,186.39 = 76,144,777.92 : x
  2. Step 2: Convert to fraction form
    125,705,858.40/173,489,186.39 = 76,144,777.92/x
  3. Step 3: Cross multiply
    125,705,858.40x = 173,489,186.39 × 76,144,777.92
  4. Step 4: Simplify right side
    125,705,858.40x = 13,210,295,568,807,312
  5. Step 5: Solve for x
    x = 13,210,295,568,807,312/125,705,858.40
  6. Step 6: Final answer
    x = 105,088,941.26

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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.