Home / 86,720,301.37-119,662,984.47-49,552,985.44

Finding the Fourth Proportional to 86,720,301.37, 119,662,984.47 and 49,552,985.44

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Solution

The fourth proportional to 86,720,301.37, 119,662,984.47 and 49,552,985.44 is: 68,376,816.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,720,301.37 : 119,662,984.47 = 49,552,985.44 : x
  2. Step 2: Convert to fraction form
    86,720,301.37/119,662,984.47 = 49,552,985.44/x
  3. Step 3: Cross multiply
    86,720,301.37x = 119,662,984.47 × 49,552,985.44
  4. Step 4: Simplify right side
    86,720,301.37x = 5,929,658,127,148,856
  5. Step 5: Solve for x
    x = 5,929,658,127,148,856/86,720,301.37
  6. Step 6: Final answer
    x = 68,376,816.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.