Home / 128,011,514.93-191,939,514.48-50,195,193.60

Finding the Fourth Proportional to 128,011,514.93, 191,939,514.48 and 50,195,193.60

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Solution

The fourth proportional to 128,011,514.93, 191,939,514.48 and 50,195,193.60 is: 75,262,300.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,011,514.93 : 191,939,514.48 = 50,195,193.60 : x
  2. Step 2: Convert to fraction form
    128,011,514.93/191,939,514.48 = 50,195,193.60/x
  3. Step 3: Cross multiply
    128,011,514.93x = 191,939,514.48 × 50,195,193.60
  4. Step 4: Simplify right side
    128,011,514.93x = 9,634,441,088,813,604
  5. Step 5: Solve for x
    x = 9,634,441,088,813,604/128,011,514.93
  6. Step 6: Final answer
    x = 75,262,300.38

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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.