Home / 57,400,148.16-86,099,857.44-21,011,073.12

Finding the Fourth Proportional to 57,400,148.16, 86,099,857.44 and 21,011,073.12

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Solution

The fourth proportional to 57,400,148.16, 86,099,857.44 and 21,011,073.12 is: 31,516,476.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,400,148.16 : 86,099,857.44 = 21,011,073.12 : x
  2. Step 2: Convert to fraction form
    57,400,148.16/86,099,857.44 = 21,011,073.12/x
  3. Step 3: Cross multiply
    57,400,148.16x = 86,099,857.44 × 21,011,073.12
  4. Step 4: Simplify right side
    57,400,148.16x = 1,809,050,400,293,416
  5. Step 5: Solve for x
    x = 1,809,050,400,293,416/57,400,148.16
  6. Step 6: Final answer
    x = 31,516,476.15

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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.