Home / 66,951,188.16-100,426,782.24-19,080,888

Finding the Fourth Proportional to 66,951,188.16, 100,426,782.24 and 19,080,888

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Solution

The fourth proportional to 66,951,188.16, 100,426,782.24 and 19,080,888 is: 28,621,332

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,951,188.16 : 100,426,782.24 = 19,080,888 : x
  2. Step 2: Convert to fraction form
    66,951,188.16/100,426,782.24 = 19,080,888/x
  3. Step 3: Cross multiply
    66,951,188.16x = 100,426,782.24 × 19,080,888
  4. Step 4: Simplify right side
    66,951,188.16x = 1,916,232,184,121,829
  5. Step 5: Solve for x
    x = 1,916,232,184,121,829/66,951,188.16
  6. Step 6: Final answer
    x = 28,621,332

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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.