Home / 127,510,703.12-191,265,412.62-49,795,498.82

Finding the Fourth Proportional to 127,510,703.12, 191,265,412.62 and 49,795,498.82

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Solution

The fourth proportional to 127,510,703.12, 191,265,412.62 and 49,795,498.82 is: 74,692,997.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,510,703.12 : 191,265,412.62 = 49,795,498.82 : x
  2. Step 2: Convert to fraction form
    127,510,703.12/191,265,412.62 = 49,795,498.82/x
  3. Step 3: Cross multiply
    127,510,703.12x = 191,265,412.62 × 49,795,498.82
  4. Step 4: Simplify right side
    127,510,703.12x = 9,524,156,628,426,024
  5. Step 5: Solve for x
    x = 9,524,156,628,426,024/127,510,703.12
  6. Step 6: Final answer
    x = 74,692,997.49

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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.