Home / 128,010,188.53-191,937,526.70-50,193,862.85

Finding the Fourth Proportional to 128,010,188.53, 191,937,526.70 and 50,193,862.85

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Solution

The fourth proportional to 128,010,188.53, 191,937,526.70 and 50,193,862.85 is: 75,260,305.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,010,188.53 : 191,937,526.70 = 50,193,862.85 : x
  2. Step 2: Convert to fraction form
    128,010,188.53/191,937,526.70 = 50,193,862.85/x
  3. Step 3: Cross multiply
    128,010,188.53x = 191,937,526.70 × 50,193,862.85
  4. Step 4: Simplify right side
    128,010,188.53x = 9,634,085,891,176,888
  5. Step 5: Solve for x
    x = 9,634,085,891,176,888/128,010,188.53
  6. Step 6: Final answer
    x = 75,260,305.46

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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.